12154260157144 has 64 divisors (see below), whose sum is σ = 28139686632000. Its totient is φ = 4902558700032.

The previous prime is 12154260157121. The next prime is 12154260157241. The reversal of 12154260157144 is 44175106245121.

It is a self number, because there is not a number n which added to its sum of digits gives 12154260157144.

It is a congruent number.

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, 130229679 + ... + 130322974.

It is an arithmetic number, because the mean of its divisors is an integer number (439682603625).

Almost surely, 2^{12154260157144} is an apocalyptic number.

12154260157144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12154260157144 is an abundant number, since it is smaller than the sum of its proper divisors (15985426474856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12154260157144 is a wasteful number, since it uses less digits than its factorization.

12154260157144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260552697 (or 260552679 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 12154260157144 in words is "twelve trillion, one hundred fifty-four billion, two hundred sixty million, one hundred fifty-seven thousand, one hundred forty-four".