33100312012 has 12 divisors (see below), whose sum is σ = 58245577936. Its totient is φ = 16458718320.

The previous prime is 33100311973. The next prime is 33100312027. The reversal of 33100312012 is 21021300133.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22858608 + ... + 22860055.

Almost surely, 2^33100312012 is an apocalyptic number.

It is an amenable number.

33100312012 is a deficient number, since it is larger than the sum of its proper divisors (25145265924).

33100312012 is a wasteful number, since it uses less digits than its factorization.

33100312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45718848 (or 45718846 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 33100312012 its reverse (21021300133), we get a palindrome (54121612145).

The spelling of 33100312012 in words is "thirty-three billion, one hundred million, three hundred twelve thousand, twelve".