Evaluate the Factorial Expression $3.2012 \times 1015$ B) $1.2805 \times 10 ^ { 16 }$

Evaluate the factorial expression.
-18 !

A) $3.2012 \times 1015$
B) $1.2805 \times 10 ^ { 16 }$
C) $3.5569 \times 10 ^ { 14 }$
D) $6.4024 \times 10 ^ { 15 }$