12154679159240 has 64 divisors (see below), whose sum is σ = 28365711192000. Its totient is φ = 4681834940160.

The previous prime is 12154679159239. The next prime is 12154679159243. The reversal of 12154679159240 is 4295197645121.

It is not an unprimeable number, because it can be changed into a prime (12154679159243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13383806 + ... + 14263085.

It is an arithmetic number, because the mean of its divisors is an integer number (443214237375).

Almost surely, 2^{12154679159240} is an apocalyptic number.

12154679159240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12154679159240 is an abundant number, since it is smaller than the sum of its proper divisors (16211032032760).

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

12154679159240 is a wasteful number, since it uses less digits than its factorization.

12154679159240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27647310 (or 27647306 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 12154679159240 in words is "twelve trillion, one hundred fifty-four billion, six hundred seventy-nine million, one hundred fifty-nine thousand, two hundred forty".