30327712812 has 72 divisors (see below), whose sum is σ = 77072067072. Its totient is φ = 10055232000.

The previous prime is 30327712787. The next prime is 30327712817. The reversal of 30327712812 is 21821772303.

30327712812 is a `hidden beast` number, since 303 + 2 + 7 + 71 + 281 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (30327712817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9984558 + ... + 9987594.

It is an arithmetic number, because the mean of its divisors is an integer number (1070445376).

Almost surely, 2^30327712812 is an apocalyptic number.

It is an amenable number.

30327712812 is an abundant number, since it is smaller than the sum of its proper divisors (46744354260).

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

30327712812 is a wasteful number, since it uses less digits than its factorization.

30327712812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439 (or 4434 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 30327712812 in words is "thirty billion, three hundred twenty-seven million, seven hundred twelve thousand, eight hundred twelve".