30331112012 has 12 divisors (see below), whose sum is σ = 53197666200. Its totient is φ = 15131778816.

The previous prime is 30331112011. The next prime is 30331112017. The reversal of 30331112012 is 21021113303.

It is not an unprimeable number, because it can be changed into a prime (30331112011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8442278 + ... + 8445869.

It is an arithmetic number, because the mean of its divisors is an integer number (4433138850).

Almost surely, 2^30331112012 is an apocalyptic number.

It is an amenable number.

30331112012 is a deficient number, since it is larger than the sum of its proper divisors (22866554188).

30331112012 is a wasteful number, since it uses less digits than its factorization.

30331112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16888600 (or 16888598 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30331112012 its reverse (21021113303), we get a palindrome (51352225315).

The spelling of 30331112012 in words is "thirty billion, three hundred thirty-one million, one hundred twelve thousand, twelve".