Fait mathématique: 2112 is the number of subsets of {1, 1/2, 1/3, ... 1/36} that sum to an integer.
Culture générale: 2112 is an uninteresting number.
Date historique: October 12th is the day in 1979 that the lowest recorded non-tornadic atmospheric pressure, 87.0 kPa (870 mbar or 25.69 inHg), occurred in the Western Pacific during Typhoon Tip.