12154125164 has 12 divisors (see below), whose sum is σ = 21279867000. Its totient is φ = 6074163168.

The previous prime is 12154125149. The next prime is 12154125187. The reversal of 12154125164 is 46152145121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12154125164.

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, 715409 + ... + 732200.

It is an arithmetic number, because the mean of its divisors is an integer number (1773322250).

Almost surely, 2^12154125164 is an apocalyptic number.

It is an amenable number.

12154125164 is a deficient number, since it is larger than the sum of its proper divisors (9125741836).

12154125164 is a wasteful number, since it uses less digits than its factorization.

12154125164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449712 (or 1449710 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The spelling of 12154125164 in words is "twelve billion, one hundred fifty-four million, one hundred twenty-five thousand, one hundred sixty-four".