12312023204120 has 64 divisors (see below), whose sum is σ = 29085016399200. Its totient is φ = 4684018268160.

The previous prime is 12312023204083. The next prime is 12312023204137. The reversal of 12312023204120 is 2140232021321.

It is a super-2 number, since 2×12312023204120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79129841 + ... + 79285280.

Almost surely, 2^{12312023204120} is an apocalyptic number.

12312023204120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312023204120 is an abundant number, since it is smaller than the sum of its proper divisors (16772993195080).

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

12312023204120 is a wasteful number, since it uses less digits than its factorization.

12312023204120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158415228 (or 158415224 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12312023204120 its reverse (2140232021321), we get a palindrome (14452255225441).

The spelling of 12312023204120 in words is "twelve trillion, three hundred twelve billion, twenty-three million, two hundred four thousand, one hundred twenty".