12542511344512 has 32 divisors (see below), whose sum is σ = 25012874311920. Its totient is φ = 6264770340864.

The previous prime is 12542511344483. The next prime is 12542511344527. The reversal of 12542511344512 is 21544311524521.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50542393 + ... + 50789944.

Almost surely, 2^{12542511344512} is an apocalyptic number.

It is an amenable number.

12542511344512 is a deficient number, since it is larger than the sum of its proper divisors (12470362967408).

12542511344512 is an equidigital number, since it uses as much as digits as its factorization.

12542511344512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101333318 (or 101333306 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The spelling of 12542511344512 in words is "twelve trillion, five hundred forty-two billion, five hundred eleven million, three hundred forty-four thousand, five hundred twelve".