12512869388 has 24 divisors (see below), whose sum is σ = 22987023360. Its totient is φ = 5951990160.

The previous prime is 12512869373. The next prime is 12512869393. The reversal of 12512869388 is 88396821521.

12512869388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12512869388² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 847856 + ... + 862487.

It is an arithmetic number, because the mean of its divisors is an integer number (957792640).

Almost surely, 2^12512869388 is an apocalyptic number.

It is an amenable number.

12512869388 is a deficient number, since it is larger than the sum of its proper divisors (10474153972).

12512869388 is a wasteful number, since it uses less digits than its factorization.

12512869388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710437 (or 1710435 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 53.

The spelling of 12512869388 in words is "twelve billion, five hundred twelve million, eight hundred sixty-nine thousand, three hundred eighty-eight".