12895996800 has 96 divisors (see below), whose sum is σ = 42476221080. Its totient is φ = 3438929920.

The previous prime is 12895996769. The next prime is 12895996823. The reversal of 12895996800 is 869959821.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×12895996800² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662067 + ... + 681266.

Almost surely, 2^12895996800 is an apocalyptic number.

12895996800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12895996800 is an abundant number, since it is smaller than the sum of its proper divisors (29580224280).

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

12895996800 is a wasteful number, since it uses less digits than its factorization.

12895996800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343360 (or 1343343 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 57.

The spelling of 12895996800 in words is "twelve billion, eight hundred ninety-five million, nine hundred ninety-six thousand, eight hundred".