12356391532 has 12 divisors (see below), whose sum is σ = 21624498280. Its totient is φ = 6177963456.

The previous prime is 12356391527. The next prime is 12356391599. The reversal of 12356391532 is 23519365321.

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, 127444 + ... + 202372.

Almost surely, 2^12356391532 is an apocalyptic number.

It is an amenable number.

12356391532 is a deficient number, since it is larger than the sum of its proper divisors (9268106748).

12356391532 is a wasteful number, since it uses less digits than its factorization.

12356391532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116160 (or 116158 counting only the distinct ones).

The product of its digits is 145800, while the sum is 40.

The spelling of 12356391532 in words is "twelve billion, three hundred fifty-six million, three hundred ninety-one thousand, five hundred thirty-two".