12544528224 has 24 divisors (see below), whose sum is σ = 32929386840. Its totient is φ = 4181509376.

The previous prime is 12544528207. The next prime is 12544528237. The reversal of 12544528224 is 42282544521.

It is a tau number, because it is divible by the number of its divisors (24).

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 3 ways as a sum of consecutive naturals, for example, 65335989 + ... + 65336180.

It is an arithmetic number, because the mean of its divisors is an integer number (1372057785).

Almost surely, 2^12544528224 is an apocalyptic number.

It is an amenable number.

12544528224 is an abundant number, since it is smaller than the sum of its proper divisors (20384858616).

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

12544528224 is a wasteful number, since it uses less digits than its factorization.

12544528224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130672182 (or 130672174 counting only the distinct ones).

The product of its digits is 204800, while the sum is 39.

The spelling of 12544528224 in words is "twelve billion, five hundred forty-four million, five hundred twenty-eight thousand, two hundred twenty-four".