123103125131202 has 24 divisors (see below), whose sum is σ = 266758001184636. Its totient is φ = 41029057597536.

The previous prime is 123103125131201. The next prime is 123103125131213. The reversal of 123103125131202 is 202131521301321.

123103125131202 is a `hidden beast` number, since 1 + 2 + 3 + 10 + 3 + 12 + 513 + 120 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 119226286208241 + 3876838922961 = 10919079^2 + 1968969^2 .

It is not an unprimeable number, because it can be changed into a prime (123103125131201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442977753 + ... + 443255564.

Almost surely, 2^{123103125131202} is an apocalyptic number.

123103125131202 is an abundant number, since it is smaller than the sum of its proper divisors (143654876053434).

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

123103125131202 is a wasteful number, since it uses less digits than its factorization.

123103125131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886241042 (or 886241039 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 123103125131202 its reverse (202131521301321), we get a palindrome (325234646432523).

The spelling of 123103125131202 in words is "one hundred twenty-three trillion, one hundred three billion, one hundred twenty-five million, one hundred thirty-one thousand, two hundred two".