12520045232 has 20 divisors (see below), whose sum is σ = 24259727040. Its totient is φ = 6259470528.

The previous prime is 12520045217. The next prime is 12520045253. The reversal of 12520045232 is 23254002521.

It is a super-2 number, since 2×12520045232² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201494 + ... + 256202.

It is an arithmetic number, because the mean of its divisors is an integer number (1212986352).

Almost surely, 2^12520045232 is an apocalyptic number.

It is an amenable number.

12520045232 is a deficient number, since it is larger than the sum of its proper divisors (11739681808).

12520045232 is a wasteful number, since it uses less digits than its factorization.

12520045232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69020 (or 69014 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 12520045232 its reverse (23254002521), we get a palindrome (35774047753).

The spelling of 12520045232 in words is "twelve billion, five hundred twenty million, forty-five thousand, two hundred thirty-two".