123030111432012 has 12 divisors (see below), whose sum is σ = 287070260008056. Its totient is φ = 41010037144000.

The previous prime is 123030111431993. The next prime is 123030111432017. The reversal of 123030111432012 is 210234111030321.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (123030111432017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5126254642989 + ... + 5126254643012.

It is an arithmetic number, because the mean of its divisors is an integer number (23922521667338).

Almost surely, 2^{123030111432012} is an apocalyptic number.

123030111432012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123030111432012 is an abundant number, since it is smaller than the sum of its proper divisors (164040148576044).

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

123030111432012 is a wasteful number, since it uses less digits than its factorization.

123030111432012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10252509286008 (or 10252509286006 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 123030111432012 its reverse (210234111030321), we get a palindrome (333264222462333).

The spelling of 123030111432012 in words is "one hundred twenty-three trillion, thirty billion, one hundred eleven million, four hundred thirty-two thousand, twelve".