Original name Eugenio Pacelli. 1876Ã¢ÂÂ1958, Italian ecclesiastic; pope (1939Ã¢ÂÂ58): his attitude towards Nazi German anti-Semitism has been a matter of controversy
Denoting a quantity consisting of 12 items or units
www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016
The cardinal number that is the sum of eleven and one
WordNet. Princeton University. 2010.