21532225244612 has 96 divisors (see below), whose sum is σ = 39167118144000. Its totient is φ = 10352716323840.

The previous prime is 21532225244567. The next prime is 21532225244671. The reversal of 21532225244612 is 21644252223512.

It is a self number, because there is not a number n which added to its sum of digits gives 21532225244612.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1152741089 + ... + 1152759767.

It is an arithmetic number, because the mean of its divisors is an integer number (407990814000).

Almost surely, 2^{21532225244612} is an apocalyptic number.

It is an amenable number.

21532225244612 is a deficient number, since it is larger than the sum of its proper divisors (17634892899388).

21532225244612 is a wasteful number, since it uses less digits than its factorization.

21532225244612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19429 (or 19427 counting only the distinct ones).

The product of its digits is 460800, while the sum is 41.

The spelling of 21532225244612 in words is "twenty-one trillion, five hundred thirty-two billion, two hundred twenty-five million, two hundred forty-four thousand, six hundred twelve".