12520552164 has 48 divisors (see below), whose sum is σ = 29435500416. Its totient is φ = 4142016000.

The previous prime is 12520552157. The next prime is 12520552199. The reversal of 12520552164 is 46125502521.

12520552164 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2463594 + ... + 2468670.

It is an arithmetic number, because the mean of its divisors is an integer number (613239592).

Almost surely, 2^12520552164 is an apocalyptic number.

It is an amenable number.

12520552164 is an abundant number, since it is smaller than the sum of its proper divisors (16914948252).

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

12520552164 is a wasteful number, since it uses less digits than its factorization.

12520552164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6596 (or 6594 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 12520552164 in words is "twelve billion, five hundred twenty million, five hundred fifty-two thousand, one hundred sixty-four".