12529211172 has 24 divisors (see below), whose sum is σ = 29914706976. Its totient is φ = 4079277888.

The previous prime is 12529211161. The next prime is 12529211207. The reversal of 12529211172 is 27111292521.

12529211172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12529211172² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 12140193 + ... + 12141224.

It is an arithmetic number, because the mean of its divisors is an integer number (1246446124).

Almost surely, 2^12529211172 is an apocalyptic number.

12529211172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12529211172 is an abundant number, since it is smaller than the sum of its proper divisors (17385495804).

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

12529211172 is a wasteful number, since it uses less digits than its factorization.

12529211172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24281467 (or 24281465 counting only the distinct ones).

The product of its digits is 5040, while the sum is 33.

The spelling of 12529211172 in words is "twelve billion, five hundred twenty-nine million, two hundred eleven thousand, one hundred seventy-two".