12672497268 has 36 divisors (see below), whose sum is σ = 32059775748. Its totient is φ = 4220668800.

The previous prime is 12672497263. The next prime is 12672497281. The reversal of 12672497268 is 86279427621.

12672497268 is a `hidden beast` number, since 1 + 26 + 72 + 497 + 2 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4676918544 + 7995578724 = 68388^2 + 89418^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12672497263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101433 + ... + 188768.

Almost surely, 2^12672497268 is an apocalyptic number.

12672497268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12672497268 is an abundant number, since it is smaller than the sum of its proper divisors (19387278480).

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

12672497268 is a wasteful number, since it uses less digits than its factorization.

12672497268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291424 (or 291419 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 12672497268 in words is "twelve billion, six hundred seventy-two million, four hundred ninety-seven thousand, two hundred sixty-eight".