12898632061728 has 144 divisors (see below), whose sum is σ = 43053542400960. Its totient is φ = 3585720089088.

The previous prime is 12898632061717. The next prime is 12898632061807. The reversal of 12898632061728 is 82716023689821.

12898632061728 is a `hidden beast` number, since 1 + 2 + 8 + 9 + 8 + 6 + 3 + 2 + 0 + 617 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86386638 + ... + 86535821.

It is an arithmetic number, because the mean of its divisors is an integer number (298982933340).

Almost surely, 2^{12898632061728} is an apocalyptic number.

12898632061728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12898632061728 is an abundant number, since it is smaller than the sum of its proper divisors (30154910339232).

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

12898632061728 is a wasteful number, since it uses less digits than its factorization.

12898632061728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172922519 (or 172922508 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 12898632061728 in words is "twelve trillion, eight hundred ninety-eight billion, six hundred thirty-two million, sixty-one thousand, seven hundred twenty-eight".