12501012535 has 32 divisors (see below), whose sum is σ = 16758835200. Its totient is φ = 8875426560.

The previous prime is 12501012497. The next prime is 12501012553. The reversal of 12501012535 is 53521010521.

12501012535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12501012535 - 2²⁵ = 12467458103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370542 + ... + 402868.

It is an arithmetic number, because the mean of its divisors is an integer number (523713600).

Almost surely, 2^12501012535 is an apocalyptic number.

12501012535 is a deficient number, since it is larger than the sum of its proper divisors (4257822665).

12501012535 is a wasteful number, since it uses less digits than its factorization.

12501012535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32511.

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 12501012535 in words is "twelve billion, five hundred one million, twelve thousand, five hundred thirty-five".