18979048052712 has 256 divisors, whose sum is σ = 61268953651200. Its totient is φ = 5379709271040.

The previous prime is 18979048052687. The next prime is 18979048052719. The reversal of 18979048052712 is 21725084097981.

18979048052712 is a `hidden beast` number, since 1 + 8 + 9 + 7 + 90 + 4 + 8 + 0 + 527 + 12 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 18979048052712.

It is not an unprimeable number, because it can be changed into a prime (18979048052719) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5142573 + ... + 8025219.

It is an arithmetic number, because the mean of its divisors is an integer number (239331850200).

Almost surely, 2^{18979048052712} is an apocalyptic number.

18979048052712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18979048052712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30634476825600).

18979048052712 is an abundant number, since it is smaller than the sum of its proper divisors (42289905598488).

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

18979048052712 is a wasteful number, since it uses less digits than its factorization.

18979048052712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882853 (or 2882843 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 63.

The spelling of 18979048052712 in words is "eighteen trillion, nine hundred seventy-nine billion, forty-eight million, fifty-two thousand, seven hundred twelve".