12013523125 has 20 divisors (see below), whose sum is σ = 15331542336. Its totient is φ = 9406310000.

The previous prime is 12013523117. The next prime is 12013523143. The reversal of 12013523125 is 52132531021.

12013523125 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 12013523125 - 2³ = 12013523117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12013523125.

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 19 ways as a sum of consecutive naturals, for example, 175111 + ... + 233860.

Almost surely, 2^12013523125 is an apocalyptic number.

It is an amenable number.

12013523125 is a deficient number, since it is larger than the sum of its proper divisors (3318019211).

12013523125 is an frugal number, since it uses more digits than its factorization.

12013523125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409038 (or 409023 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 12013523125 in words is "twelve billion, thirteen million, five hundred twenty-three thousand, one hundred twenty-five".