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- 12 (number) - Wikipedia- There are twelve hours in a half day, numbered one to twelve for both the ante meridiem (a.m.) and the post meridiem (p.m.). 12:00 p.m. is midday or noon, and 12:00 a.m. is midnight. 
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- 12 | Googology Wiki | Fandom- 12 is the number for the French department of Aveyron. 12 is the smallest number with six divisors. 12 is the first abundant number. 12 is the second semiperfect number. 12 is a friendly … 
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- 12 - definition of 12 by The Free Dictionary- Define 12. 12 synonyms, 12 pronunciation, 12 translation, English dictionary definition of 12. Noun 1. 12 - the cardinal number that is the sum of eleven and one dozen, twelve, XII large integer - … 
- 12 -- from Wolfram MathWorld- 6 days ago · The quantity twelve (12) is sometimes known as a dozen. It is in turn one twelfth of a gross. Base-12 is known as duodecimal. 
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