123103132510120 has 64 divisors (see below), whose sum is σ = 316716387102720. Its totient is φ = 42184724964864.

The previous prime is 123103132510103. The next prime is 123103132510133. The reversal of 123103132510120 is 21015231301321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114376552 + ... + 115447831.

It is an arithmetic number, because the mean of its divisors is an integer number (4948693548480).

Almost surely, 2^{123103132510120} is an apocalyptic number.

123103132510120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123103132510120 is an abundant number, since it is smaller than the sum of its proper divisors (193613254592600).

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

123103132510120 is a wasteful number, since it uses less digits than its factorization.

123103132510120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229826314 (or 229826310 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 123103132510120 its reverse (21015231301321), we get a palindrome (144118363811441).

The spelling of 123103132510120 in words is "one hundred twenty-three trillion, one hundred three billion, one hundred thirty-two million, five hundred ten thousand, one hundred twenty".