30012432009 has 32 divisors (see below), whose sum is σ = 48434584320. Its totient is φ = 16137418752.

The previous prime is 30012431989. The next prime is 30012432071. The reversal of 30012432009 is 90023421003.

It is not a de Polignac number, because 30012432009 - 2⁸ = 30012431753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30012432009.

It is not an unprimeable number, because it can be changed into a prime (30012436009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2333007 + ... + 2345835.

It is an arithmetic number, because the mean of its divisors is an integer number (1513580760).

Almost surely, 2^30012432009 is an apocalyptic number.

It is an amenable number.

30012432009 is a deficient number, since it is larger than the sum of its proper divisors (18422152311).

30012432009 is a wasteful number, since it uses less digits than its factorization.

30012432009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19409.

The product of its (nonzero) digits is 1296, while the sum is 24.

The spelling of 30012432009 in words is "thirty billion, twelve million, four hundred thirty-two thousand, nine".