231021123002112 has 36 divisors (see below), whose sum is σ = 614853092992040. Its totient is φ = 77007041000448.

The previous prime is 231021123002093. The next prime is 231021123002177. The reversal of 231021123002112 is 211200321120132.

231021123002112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150404376187 + ... + 150404377722.

Almost surely, 2^{231021123002112} is an apocalyptic number.

It is an amenable number.

231021123002112 is an abundant number, since it is smaller than the sum of its proper divisors (383831969989928).

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

231021123002112 is an equidigital number, since it uses as much as digits as its factorization.

231021123002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300808753928 (or 300808753914 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 231021123002112 its reverse (211200321120132), we get a palindrome (442221444122244).

The spelling of 231021123002112 in words is "two hundred thirty-one trillion, twenty-one billion, one hundred twenty-three million, two thousand, one hundred twelve".