21230200232112 has 20 divisors (see below), whose sum is σ = 54844683933080. Its totient is φ = 7076733410688.

The previous prime is 21230200232083. The next prime is 21230200232173. The reversal of 21230200232112 is 21123200203212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221147919037 + ... + 221147919132.

It is an arithmetic number, because the mean of its divisors is an integer number (2742234196654).

Almost surely, 2^{21230200232112} is an apocalyptic number.

It is an amenable number.

21230200232112 is an abundant number, since it is smaller than the sum of its proper divisors (33614483700968).

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

21230200232112 is a wasteful number, since it uses less digits than its factorization.

21230200232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442295838180 (or 442295838174 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21230200232112 its reverse (21123200203212), we get a palindrome (42353400435324).

The spelling of 21230200232112 in words is "twenty-one trillion, two hundred thirty billion, two hundred million, two hundred thirty-two thousand, one hundred twelve".