30012713052 has 72 divisors (see below), whose sum is σ = 81918466560. Its totient is φ = 8527125600.

The previous prime is 30012712997. The next prime is 30012713069. The reversal of 30012713052 is 25031721003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37324 + ... + 247827.

It is an arithmetic number, because the mean of its divisors is an integer number (1137756480).

Almost surely, 2^30012713052 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 30012713052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40959233280).

30012713052 is an abundant number, since it is smaller than the sum of its proper divisors (51905753508).

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

30012713052 is a wasteful number, since it uses less digits than its factorization.

30012713052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285351 (or 285342 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The spelling of 30012713052 in words is "thirty billion, twelve million, seven hundred thirteen thousand, fifty-two".