12868100656 has 40 divisors (see below), whose sum is σ = 25596491184. Its totient is φ = 6264410880.

The previous prime is 12868100639. The next prime is 12868100657. The reversal of 12868100656 is 65600186821.

It is not an unprimeable number, because it can be changed into a prime (12868100657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53170 + ... + 169006.

Almost surely, 2^12868100656 is an apocalyptic number.

12868100656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12868100656 is a deficient number, since it is larger than the sum of its proper divisors (12728390528).

12868100656 is a wasteful number, since it uses less digits than its factorization.

12868100656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116029 (or 116023 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 12868100656 in words is "twelve billion, eight hundred sixty-eight million, one hundred thousand, six hundred fifty-six".