13525122012 has 24 divisors (see below), whose sum is σ = 31990929936. Its totient is φ = 4446615168.

The previous prime is 13525122001. The next prime is 13525122049. The reversal of 13525122012 is 21022152531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7718943 + ... + 7720694.

It is an arithmetic number, because the mean of its divisors is an integer number (1332955414).

Almost surely, 2^13525122012 is an apocalyptic number.

13525122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13525122012 is an abundant number, since it is smaller than the sum of its proper divisors (18465807924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13525122012 is a wasteful number, since it uses less digits than its factorization.

13525122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15439717 (or 15439715 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 13525122012 its reverse (21022152531), we get a palindrome (34547274543).

The spelling of 13525122012 in words is "thirteen billion, five hundred twenty-five million, one hundred twenty-two thousand, twelve".