12667319936 has 32 divisors (see below), whose sum is σ = 25402838880. Its totient is φ = 6291705600.

The previous prime is 12667319923. The next prime is 12667319981. The reversal of 12667319936 is 63991376621.

12667319936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 308366 + ... + 347021.

It is an arithmetic number, because the mean of its divisors is an integer number (793838715).

Almost surely, 2^12667319936 is an apocalyptic number.

12667319936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12667319936 is an abundant number, since it is smaller than the sum of its proper divisors (12735518944).

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

12667319936 is an equidigital number, since it uses as much as digits as its factorization.

12667319936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655552 (or 655540 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 53.

The spelling of 12667319936 in words is "twelve billion, six hundred sixty-seven million, three hundred nineteen thousand, nine hundred thirty-six".