12944449572672 has 28 divisors (see below), whose sum is σ = 34248856161536. Its totient is φ = 4314816524160.

The previous prime is 12944449572653. The next prime is 12944449572689. The reversal of 12944449572672 is 27627594444921.

12944449572672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33709503904 + ... + 33709504287.

Almost surely, 2^{12944449572672} is an apocalyptic number.

12944449572672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12944449572672 is an abundant number, since it is smaller than the sum of its proper divisors (21304406588864).

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

12944449572672 is an equidigital number, since it uses as much as digits as its factorization.

12944449572672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67419008206 (or 67419008196 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 66.

The spelling of 12944449572672 in words is "twelve trillion, nine hundred forty-four billion, four hundred forty-nine million, five hundred seventy-two thousand, six hundred seventy-two".