12027855805056 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 7 + 8 + 5 + 580 + 5 + 0 + 56 = 666.
It is a tau number, because it is divible by the number of its divisors (384).
It is an unprimeable number.
Almost surely, 212027855805056 is an apocalyptic number.
12027855805056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12027855805056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22088197185600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12027855805056 is an equidigital number, since it uses as much as digits as its factorization.
12027855805056 is an odious number, because the sum of its binary digits is odd.
The spelling of 12027855805056 in words is "twelve trillion, twenty-seven billion, eight hundred fifty-five million, eight hundred five thousand, fifty-six".