123012210511132 has 24 divisors (see below), whose sum is σ = 216097975580256. Its totient is φ = 61269949274688.

The previous prime is 123012210511123. The next prime is 123012210511193. The reversal of 123012210511132 is 231115012210321.

It is a junction number, because it is equal to n+sod(n) for n = 123012210511097 and 123012210511106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26117418 + ... + 30465454.

It is an arithmetic number, because the mean of its divisors is an integer number (9004082315844).

Almost surely, 2^{123012210511132} is an apocalyptic number.

It is an amenable number.

123012210511132 is a deficient number, since it is larger than the sum of its proper divisors (93085765069124).

123012210511132 is a wasteful number, since it uses less digits than its factorization.

123012210511132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375197 (or 4375195 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 123012210511132 its reverse (231115012210321), we get a palindrome (354127222721453).

The spelling of 123012210511132 in words is "one hundred twenty-three trillion, twelve billion, two hundred ten million, five hundred eleven thousand, one hundred thirty-two".