33112021000012 has 12 divisors (see below), whose sum is σ = 57952115284896. Its totient is φ = 16554273775760.

The previous prime is 33112021000007. The next prime is 33112021000021. The reversal of 33112021000012 is 21000012021133.

It is a self number, because there is not a number n which added to its sum of digits gives 33112021000012.

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, 434138164 + ... + 434214427.

It is an arithmetic number, because the mean of its divisors is an integer number (4829342940408).

Almost surely, 2^{33112021000012} is an apocalyptic number.

It is an amenable number.

33112021000012 is a deficient number, since it is larger than the sum of its proper divisors (24840094284884).

33112021000012 is a wasteful number, since it uses less digits than its factorization.

33112021000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868362128 (or 868362126 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 33112021000012 its reverse (21000012021133), we get a palindrome (54112033021145).

The spelling of 33112021000012 in words is "thirty-three trillion, one hundred twelve billion, twenty-one million, twelve", and thus it is an aban number.