123012514514025 has 48 divisors (see below), whose sum is σ = 227240995377600. Its totient is φ = 65240156609280.

The previous prime is 123012514514017. The next prime is 123012514514039. The reversal of 123012514514025 is 520415415210321.

123012514514025 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 125 + 14 + 514 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 123012514514025 - 2³ = 123012514514017 is a prime.

It is a super-2 number, since 2×123012514514025² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 508931584 + ... + 509173233.

It is an arithmetic number, because the mean of its divisors is an integer number (4734187403700).

Almost surely, 2^{123012514514025} is an apocalyptic number.

123012514514025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123012514514025 is a deficient number, since it is larger than the sum of its proper divisors (104228480863575).

123012514514025 is a wasteful number, since it uses less digits than its factorization.

123012514514025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018105015 (or 1018105004 counting only the distinct ones).

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

Adding to 123012514514025 its reverse (520415415210321), we get a palindrome (643427929724346).

The spelling of 123012514514025 in words is "one hundred twenty-three trillion, twelve billion, five hundred fourteen million, five hundred fourteen thousand, twenty-five".