12688443692272 has 10 divisors (see below), whose sum is σ = 24583859653808. Its totient is φ = 6344221846128.

The previous prime is 12688443692209. The next prime is 12688443692317. The reversal of 12688443692272 is 27229634488621.

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, 396513865368 + ... + 396513865399.

Almost surely, 2^{12688443692272} is an apocalyptic number.

It is an amenable number.

12688443692272 is a deficient number, since it is larger than the sum of its proper divisors (11895415961536).

12688443692272 is an equidigital number, since it uses as much as digits as its factorization.

12688443692272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793027730775 (or 793027730769 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 64.

The spelling of 12688443692272 in words is "twelve trillion, six hundred eighty-eight billion, four hundred forty-three million, six hundred ninety-two thousand, two hundred seventy-two".