Hecho general: 2012 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 2012 is a boring number.
Trivia: 2012 is an uninteresting number.
Fecha histórica: July 4th is the day in 1610 that the Battle of Klushino between forces of the Polish–Lithuanian Commonwealth and Russia during the Polish-Muscovite War.