12151425512 has 64 divisors (see below), whose sum is σ = 24940515600. Its totient is φ = 5527388160.

The previous prime is 12151425499. The next prime is 12151425521. The reversal of 12151425512 is 21552415121.

It can be written as a sum of positive squares in 8 ways, for example, as 6236892676 + 5914532836 = 78974^2 + 76906^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597788 + ... + 617780.

Almost surely, 2^12151425512 is an apocalyptic number.

It is an amenable number.

12151425512 is an abundant number, since it is smaller than the sum of its proper divisors (12789090088).

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

12151425512 is a wasteful number, since it uses less digits than its factorization.

12151425512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20166 (or 20162 counting only the distinct ones).

The product of its digits is 4000, while the sum is 29.

The spelling of 12151425512 in words is "twelve billion, one hundred fifty-one million, four hundred twenty-five thousand, five hundred twelve".