123252102154512 has 30 divisors (see below), whose sum is σ = 344934702557822. Its totient is φ = 41084034051456.

The previous prime is 123252102154417. The next prime is 123252102154603. The reversal of 123252102154512 is 215451201252321.

123252102154512 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 5 + 2 + 102 + 1 + 545 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 122617441372176 + 634660782336 = 11073276^2 + 796656^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 427958687893 + ... + 427958688180.

Almost surely, 2^{123252102154512} is an apocalyptic number.

123252102154512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123252102154512 is an abundant number, since it is smaller than the sum of its proper divisors (221682600403310).

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

123252102154512 is a wasteful number, since it uses less digits than its factorization.

123252102154512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855917376087 (or 855917376078 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 123252102154512 in words is "one hundred twenty-three trillion, two hundred fifty-two billion, one hundred two million, one hundred fifty-four thousand, five hundred twelve".