123031012211032 has 8 divisors (see below), whose sum is σ = 230683147895700. Its totient is φ = 61515506105512.

The previous prime is 123031012211017. The next prime is 123031012211087. The reversal of 123031012211032 is 230112210130321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×123031012211032² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123031012210994 and 123031012211012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7689438263182 + ... + 7689438263197.

Almost surely, 2^{123031012211032} is an apocalyptic number.

It is an amenable number.

123031012211032 is a deficient number, since it is larger than the sum of its proper divisors (107652135684668).

123031012211032 is a wasteful number, since it uses less digits than its factorization.

123031012211032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15378876526385 (or 15378876526381 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 123031012211032 its reverse (230112210130321), we get a palindrome (353143222341353).

The spelling of 123031012211032 in words is "one hundred twenty-three trillion, thirty-one billion, twelve million, two hundred eleven thousand, thirty-two".