30103332012 has 72 divisors (see below), whose sum is σ = 86768450496. Its totient is φ = 8717704704.

The previous prime is 30103331989. The next prime is 30103332031. The reversal of 30103332012 is 21023330103.

30103332012 is a `hidden beast` number, since 301 + 0 + 33 + 320 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1883908 + ... + 1899819.

It is an arithmetic number, because the mean of its divisors is an integer number (1205117368).

Almost surely, 2^30103332012 is an apocalyptic number.

It is an amenable number.

30103332012 is an abundant number, since it is smaller than the sum of its proper divisors (56665118484).

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

30103332012 is a wasteful number, since it uses less digits than its factorization.

30103332012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783767 (or 3783762 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30103332012 its reverse (21023330103), we get a palindrome (51126662115).

The spelling of 30103332012 in words is "thirty billion, one hundred three million, three hundred thirty-two thousand, twelve".