30123012996 has 48 divisors (see below), whose sum is σ = 78273115200. Its totient is φ = 10018322496.

The previous prime is 30123012989. The next prime is 30123013013. The reversal of 30123012996 is 69921032103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30123012996.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266961 + ... + 362648.

It is an arithmetic number, because the mean of its divisors is an integer number (1630689900).

Almost surely, 2^30123012996 is an apocalyptic number.

30123012996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30123012996 is an abundant number, since it is smaller than the sum of its proper divisors (48150102204).

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

30123012996 is a wasteful number, since it uses less digits than its factorization.

30123012996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630065 (or 630057 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 30123012996 in words is "thirty billion, one hundred twenty-three million, twelve thousand, nine hundred ninety-six".