30812648258720 has 96 divisors (see below), whose sum is σ = 73322880523200. Its totient is φ = 12235673051136.

The previous prime is 30812648258699. The next prime is 30812648258737. The reversal of 30812648258720 is 2785284621803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543050192 + ... + 543106928.

It is an arithmetic number, because the mean of its divisors is an integer number (763780005450).

Almost surely, 2^{30812648258720} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30812648258720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36661440261600).

30812648258720 is an abundant number, since it is smaller than the sum of its proper divisors (42510232264480).

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

30812648258720 is a wasteful number, since it uses less digits than its factorization.

30812648258720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81310 (or 81302 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 30812648258720 in words is "thirty trillion, eight hundred twelve billion, six hundred forty-eight million, two hundred fifty-eight thousand, seven hundred twenty".