12253311986 has 32 divisors (see below), whose sum is σ = 19838105280. Its totient is φ = 5655038976.

The previous prime is 12253311979. The next prime is 12253312009. The reversal of 12253311986 is 68911335221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861545 + ... + 875651.

It is an arithmetic number, because the mean of its divisors is an integer number (619940790).

Almost surely, 2^12253311986 is an apocalyptic number.

12253311986 is a deficient number, since it is larger than the sum of its proper divisors (7584793294).

12253311986 is a wasteful number, since it uses less digits than its factorization.

12253311986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14618.

The product of its digits is 77760, while the sum is 41.

The spelling of 12253311986 in words is "twelve billion, two hundred fifty-three million, three hundred eleven thousand, nine hundred eighty-six".