13012135025 has 48 divisors (see below), whose sum is σ = 16937868288. Its totient is φ = 9906624000.

The previous prime is 13012135001. The next prime is 13012135033. The reversal of 13012135025 is 52053121031.

It is a happy number.

13012135025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-13012135025 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 8845040 + ... + 8846510.

It is an arithmetic number, because the mean of its divisors is an integer number (352872256).

Almost surely, 2^13012135025 is an apocalyptic number.

It is an amenable number.

13012135025 is a deficient number, since it is larger than the sum of its proper divisors (3925733263).

13012135025 is a wasteful number, since it uses less digits than its factorization.

13012135025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 13012135025 its reverse (52053121031), we get a palindrome (65065256056).

The spelling of 13012135025 in words is "thirteen billion, twelve million, one hundred thirty-five thousand, twenty-five".