12642116236 has 6 divisors (see below), whose sum is σ = 22123703420. Its totient is φ = 6321058116.

The previous prime is 12642116219. The next prime is 12642116243. The reversal of 12642116236 is 63261124621.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580264526 + ... + 1580264533.

Almost surely, 2^12642116236 is an apocalyptic number.

It is an amenable number.

12642116236 is a deficient number, since it is larger than the sum of its proper divisors (9481587184).

12642116236 is a wasteful number, since it uses less digits than its factorization.

12642116236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160529063 (or 3160529061 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The spelling of 12642116236 in words is "twelve billion, six hundred forty-two million, one hundred sixteen thousand, two hundred thirty-six".