12319865056 has 12 divisors (see below), whose sum is σ = 24254734392. Its totient is φ = 6159932512.

The previous prime is 12319865039. The next prime is 12319865071. The reversal of 12319865056 is 65056891321.

It is a junction number, because it is equal to n+sod(n) for n = 12319864997 and 12319865015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192497860 + ... + 192497923.

It is an arithmetic number, because the mean of its divisors is an integer number (2021227866).

Almost surely, 2^12319865056 is an apocalyptic number.

12319865056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12319865056 is a deficient number, since it is larger than the sum of its proper divisors (11934869336).

12319865056 is an equidigital number, since it uses as much as digits as its factorization.

12319865056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384995793 (or 384995785 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 12319865056 in words is "twelve billion, three hundred nineteen million, eight hundred sixty-five thousand, fifty-six".