12998158081532 has 12 divisors (see below), whose sum is σ = 24496528692216. Its totient is φ = 5999149883760.

The previous prime is 12998158081529. The next prime is 12998158081547. The reversal of 12998158081532 is 23518085189921.

It is a super-2 number, since 2×12998158081532² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124982289194 + ... + 124982289297.

It is an arithmetic number, because the mean of its divisors is an integer number (2041377391018).

Almost surely, 2^{12998158081532} is an apocalyptic number.

It is an amenable number.

12998158081532 is a deficient number, since it is larger than the sum of its proper divisors (11498370610684).

12998158081532 is a wasteful number, since it uses less digits than its factorization.

12998158081532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249964578508 (or 249964578506 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 62.

The spelling of 12998158081532 in words is "twelve trillion, nine hundred ninety-eight billion, one hundred fifty-eight million, eighty-one thousand, five hundred thirty-two".