12168648956 has 12 divisors (see below), whose sum is σ = 21814529520. Its totient is φ = 5935926240.

The previous prime is 12168648931. The next prime is 12168648979. The reversal of 12168648956 is 65984686121.

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, 37099376 + ... + 37099703.

It is an arithmetic number, because the mean of its divisors is an integer number (1817877460).

Almost surely, 2^12168648956 is an apocalyptic number.

It is an amenable number.

12168648956 is a deficient number, since it is larger than the sum of its proper divisors (9645880564).

12168648956 is a wasteful number, since it uses less digits than its factorization.

12168648956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74199124 (or 74199122 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 56.

The spelling of 12168648956 in words is "twelve billion, one hundred sixty-eight million, six hundred forty-eight thousand, nine hundred fifty-six".