30683855412 has 72 divisors (see below), whose sum is σ = 88696951616. Its totient is φ = 8761405824.

The previous prime is 30683855369. The next prime is 30683855429. The reversal of 30683855412 is 21455838603.

30683855412 is a `hidden beast` number, since 3 + 0 + 6 + 83 + 8 + 554 + 12 = 666.

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, 380823 + ... + 454305.

Almost surely, 2^30683855412 is an apocalyptic number.

It is an amenable number.

30683855412 is an abundant number, since it is smaller than the sum of its proper divisors (58013096204).

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

30683855412 is a wasteful number, since it uses less digits than its factorization.

30683855412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75157 (or 75152 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 30683855412 in words is "thirty billion, six hundred eighty-three million, eight hundred fifty-five thousand, four hundred twelve".