30003136961812 has 36 divisors (see below), whose sum is σ = 62079090202164. Its totient is φ = 12647692391040.

The previous prime is 30003136961773. The next prime is 30003136961827. The reversal of 30003136961812 is 21816963130003.

It can be written as a sum of positive squares in 2 ways, for example, as 7044798873616 + 22958338088196 = 2654204^2 + 4791486^2 .

It is a congruent number.

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, 1254719433 + ... + 1254743344.

Almost surely, 2^{30003136961812} is an apocalyptic number.

It is an amenable number.

30003136961812 is an abundant number, since it is smaller than the sum of its proper divisors (32075953240352).

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

30003136961812 is a wasteful number, since it uses less digits than its factorization.

30003136961812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509462856 (or 2509462847 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 30003136961812 in words is "thirty trillion, three billion, one hundred thirty-six million, nine hundred sixty-one thousand, eight hundred twelve".