12154868156 has 6 divisors (see below), whose sum is σ = 21271019280. Its totient is φ = 6077434076.

The previous prime is 12154868111. The next prime is 12154868191. The reversal of 12154868156 is 65186845121.

It is a self number, because there is not a number n which added to its sum of digits gives 12154868156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1519358516 + ... + 1519358523.

It is an arithmetic number, because the mean of its divisors is an integer number (3545169880).

Almost surely, 2^12154868156 is an apocalyptic number.

It is an amenable number.

12154868156 is a deficient number, since it is larger than the sum of its proper divisors (9116151124).

12154868156 is a wasteful number, since it uses less digits than its factorization.

12154868156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038717043 (or 3038717041 counting only the distinct ones).

The product of its digits is 460800, while the sum is 47.

The spelling of 12154868156 in words is "twelve billion, one hundred fifty-four million, eight hundred sixty-eight thousand, one hundred fifty-six".