12037573921931 has 4 divisors (see below), whose sum is σ = 12745666505592. Its totient is φ = 11329481338272.

The previous prime is 12037573921903. The next prime is 12037573921951. The reversal of 12037573921931 is 13912937573021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12037573921931 is a prime.

It is a super-2 number, since 2×12037573921931² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12037573921951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354046291805 + ... + 354046291838.

It is an arithmetic number, because the mean of its divisors is an integer number (3186416626398).

Almost surely, 2^{12037573921931} is an apocalyptic number.

12037573921931 is a deficient number, since it is larger than the sum of its proper divisors (708092583661).

12037573921931 is an equidigital number, since it uses as much as digits as its factorization.

12037573921931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708092583660.

The product of its (nonzero) digits is 2143260, while the sum is 53.

The spelling of 12037573921931 in words is "twelve trillion, thirty-seven billion, five hundred seventy-three million, nine hundred twenty-one thousand, nine hundred thirty-one".