12996043087872 has 896 divisors, whose sum is σ = 40483501277184. Its totient is φ = 3672687771648.

The previous prime is 12996043087843. The next prime is 12996043088023. The reversal of 12996043087872 is 27878034069921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57251291023 + ... + 57251291249.

It is an arithmetic number, because the mean of its divisors is an integer number (45182479104).

Almost surely, 2^{12996043087872} is an apocalyptic number.

12996043087872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12996043087872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20241750638592).

12996043087872 is an abundant number, since it is smaller than the sum of its proper divisors (27487458189312).

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

12996043087872 is a wasteful number, since it uses less digits than its factorization.

12996043087872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 12996043087872 in words is "twelve trillion, nine hundred ninety-six billion, forty-three million, eighty-seven thousand, eight hundred seventy-two".