12388318214656 has 80 divisors (see below), whose sum is σ = 26192418899328. Its totient is φ = 5841398886400.

The previous prime is 12388318214557. The next prime is 12388318214683. The reversal of 12388318214656 is 65641281388321.

It is a self number, because there is not a number n which added to its sum of digits gives 12388318214656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6572335 + ... + 8244526.

Almost surely, 2^{12388318214656} is an apocalyptic number.

12388318214656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12388318214656 is an abundant number, since it is smaller than the sum of its proper divisors (13804100684672).

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

12388318214656 is an equidigital number, since it uses as much as digits as its factorization.

12388318214656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14816973 (or 14816957 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 58.

The spelling of 12388318214656 in words is "twelve trillion, three hundred eighty-eight billion, three hundred eighteen million, two hundred fourteen thousand, six hundred fifty-six".