12373221537215 has 32 divisors (see below), whose sum is σ = 18512147496960. Its totient is φ = 7712959334400.

The previous prime is 12373221537203. The next prime is 12373221537223. The reversal of 12373221537215 is 51273512237321.

It is not a de Polignac number, because 12373221537215 - 2⁸ = 12373221536959 is a prime.

It is a super-2 number, since 2×12373221537215² (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 31 ways as a sum of consecutive naturals, for example, 13782530 + ... + 14652800.

It is an arithmetic number, because the mean of its divisors is an integer number (578504609280).

Almost surely, 2^{12373221537215} is an apocalyptic number.

12373221537215 is a deficient number, since it is larger than the sum of its proper divisors (6138925959745).

12373221537215 is a wasteful number, since it uses less digits than its factorization.

12373221537215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907223.

The product of its digits is 529200, while the sum is 44.

The spelling of 12373221537215 in words is "twelve trillion, three hundred seventy-three billion, two hundred twenty-one million, five hundred thirty-seven thousand, two hundred fifteen".