12252432212520 has 64 divisors (see below), whose sum is σ = 36977400270720. Its totient is φ = 3247750489344.

The previous prime is 12252432212509. The next prime is 12252432212539. The reversal of 12252432212520 is 2521223425221.

12252432212520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305679367 + ... + 305719446.

It is an arithmetic number, because the mean of its divisors is an integer number (577771879230).

Almost surely, 2^{12252432212520} is an apocalyptic number.

12252432212520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12252432212520 is an abundant number, since it is smaller than the sum of its proper divisors (24724968058200).

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

12252432212520 is a wasteful number, since it uses less digits than its factorization.

12252432212520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611398994 (or 611398990 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 12252432212520 its reverse (2521223425221), we get a palindrome (14773655637741).

The spelling of 12252432212520 in words is "twelve trillion, two hundred fifty-two billion, four hundred thirty-two million, two hundred twelve thousand, five hundred twenty".