21032773926912 has 720 divisors, whose sum is σ = 68795352461472. Its totient is φ = 6135679549440.

The previous prime is 21032773926907. The next prime is 21032773926919. The reversal of 21032773926912 is 21962937723012.

21032773926912 is a `hidden beast` number, since 2 + 10 + 327 + 7 + 39 + 269 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (21032773926919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5821413618 + ... + 5821417230.

Almost surely, 2^{21032773926912} is an apocalyptic number.

21032773926912 is a gapful number since it is divisible by the number (22) 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 21032773926912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34397676230736).

21032773926912 is an abundant number, since it is smaller than the sum of its proper divisors (47762578534560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21032773926912 is a wasteful number, since it uses less digits than its factorization.

21032773926912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792 (or 3763 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 21032773926912 in words is "twenty-one trillion, thirty-two billion, seven hundred seventy-three million, nine hundred twenty-six thousand, nine hundred twelve".