12131320323000 has 64 divisors (see below), whose sum is σ = 37849719417120. Its totient is φ = 3235018752000.

The previous prime is 12131320322987. The next prime is 12131320323029. The reversal of 12131320323000 is 32302313121.

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, 2021883721 + ... + 2021889720.

Almost surely, 2^{12131320323000} is an apocalyptic number.

12131320323000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12131320323000 is an abundant number, since it is smaller than the sum of its proper divisors (25718399094120).

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

12131320323000 is a wasteful number, since it uses less digits than its factorization.

12131320323000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043773465 (or 4043773451 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12131320323000 its reverse (32302313121), we get a palindrome (12163622636121).

The spelling of 12131320323000 in words is "twelve trillion, one hundred thirty-one billion, three hundred twenty million, three hundred twenty-three thousand".