30748812288912 has 60 divisors (see below), whose sum is σ = 86203108283500. Its totient is φ = 10231840456704.

The previous prime is 30748812288847. The next prime is 30748812288973. The reversal of 30748812288912 is 21988221884703.

30748812288912 is a `hidden beast` number, since 30 + 7 + 488 + 12 + 28 + 8 + 91 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30455564046336 + 293248242576 = 5518656^2 + 541524^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30748812288912.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184954537 + ... + 185120712.

Almost surely, 2^{30748812288912} is an apocalyptic number.

It is an amenable number.

30748812288912 is an abundant number, since it is smaller than the sum of its proper divisors (55454295994588).

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

30748812288912 is a wasteful number, since it uses less digits than its factorization.

30748812288912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370075840 (or 370075831 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 63.

The spelling of 30748812288912 in words is "thirty trillion, seven hundred forty-eight billion, eight hundred twelve million, two hundred eighty-eight thousand, nine hundred twelve".