123111654130132 has 6 divisors (see below), whose sum is σ = 215445394727738. Its totient is φ = 61555827065064.

The previous prime is 123111654130063. The next prime is 123111654130187. The reversal of 123111654130132 is 231031456111321.

It can be written as a sum of positive squares in only one way, i.e., 71407299680656 + 51704354449476 = 8450284^2 + 7190574^2 .

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, 15388956766263 + ... + 15388956766270.

Almost surely, 2^{123111654130132} is an apocalyptic number.

It is an amenable number.

123111654130132 is a deficient number, since it is larger than the sum of its proper divisors (92333740597606).

123111654130132 is a wasteful number, since it uses less digits than its factorization.

123111654130132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30777913532537 (or 30777913532535 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 123111654130132 in words is "one hundred twenty-three trillion, one hundred eleven billion, six hundred fifty-four million, one hundred thirty thousand, one hundred thirty-two".