12391983013740 has 192 divisors, whose sum is σ = 40025903984640. Its totient is φ = 2836302336000.

The previous prime is 12391983013693. The next prime is 12391983013783. The reversal of 12391983013740 is 4731038919321.

It is a super-2 number, since 2×12391983013740² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6547345 + ... + 8225064.

It is an arithmetic number, because the mean of its divisors is an integer number (208468249920).

Almost surely, 2^{12391983013740} is an apocalyptic number.

12391983013740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12391983013740 is an abundant number, since it is smaller than the sum of its proper divisors (27633920970900).

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

12391983013740 is a wasteful number, since it uses less digits than its factorization.

12391983013740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14772504 (or 14772502 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 12391983013740 in words is "twelve trillion, three hundred ninety-one billion, nine hundred eighty-three million, thirteen thousand, seven hundred forty".