30002188712 has 8 divisors (see below), whose sum is σ = 56254103850. Its totient is φ = 15001094352.

The previous prime is 30002188703. The next prime is 30002188759. The reversal of 30002188712 is 21788120003.

It can be written as a sum of positive squares in only one way, i.e., 27631083076 + 2371105636 = 166226^2 + 48694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875136787 + ... + 1875136802.

Almost surely, 2^30002188712 is an apocalyptic number.

It is an amenable number.

30002188712 is a deficient number, since it is larger than the sum of its proper divisors (26251915138).

30002188712 is a wasteful number, since it uses less digits than its factorization.

30002188712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750273595 (or 3750273591 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The spelling of 30002188712 in words is "thirty billion, two million, one hundred eighty-eight thousand, seven hundred twelve".