12532231636 has 12 divisors (see below), whose sum is σ = 21968771328. Its totient is φ = 6255439832.

The previous prime is 12532231627. The next prime is 12532231729. The reversal of 12532231636 is 63613223521.

It is a congruent number.

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, 2666356 + ... + 2671051.

It is an arithmetic number, because the mean of its divisors is an integer number (1830730944).

Almost surely, 2^12532231636 is an apocalyptic number.

It is an amenable number.

12532231636 is a deficient number, since it is larger than the sum of its proper divisors (9436539692).

12532231636 is a wasteful number, since it uses less digits than its factorization.

12532231636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337998 (or 5337996 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The spelling of 12532231636 in words is "twelve billion, five hundred thirty-two million, two hundred thirty-one thousand, six hundred thirty-six".