12796322907664 has 40 divisors (see below), whose sum is σ = 25490129435288. Its totient is φ = 6218594104320.

The previous prime is 12796322907649. The next prime is 12796322907671. The reversal of 12796322907664 is 46670922369721.

It can be written as a sum of positive squares in 4 ways, for example, as 200070133264 + 12596252774400 = 447292^2 + 3549120^2 .

It is a super-3 number, since 3×12796322907664³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12796322907596 and 12796322907605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10979667 + ... + 12089074.

Almost surely, 2^{12796322907664} is an apocalyptic number.

It is an amenable number.

12796322907664 is a deficient number, since it is larger than the sum of its proper divisors (12693806527624).

12796322907664 is a wasteful number, since it uses less digits than its factorization.

12796322907664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23069723 (or 23069717 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 64.

The spelling of 12796322907664 in words is "twelve trillion, seven hundred ninety-six billion, three hundred twenty-two million, nine hundred seven thousand, six hundred sixty-four".