33133032012 has 24 divisors (see below), whose sum is σ = 79196028912. Its totient is φ = 10774969600.

The previous prime is 33133032001. The next prime is 33133032019. The reversal of 33133032012 is 21023033133.

It is a self number, because there is not a number n which added to its sum of digits gives 33133032012.

It is not an unprimeable number, because it can be changed into a prime (33133032019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33671289 + ... + 33672272.

It is an arithmetic number, because the mean of its divisors is an integer number (3299834538).

Almost surely, 2^33133032012 is an apocalyptic number.

It is an amenable number.

33133032012 is an abundant number, since it is smaller than the sum of its proper divisors (46062996900).

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

33133032012 is a wasteful number, since it uses less digits than its factorization.

33133032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67343609 (or 67343607 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33133032012 its reverse (21023033133), we get a palindrome (54156065145).

The spelling of 33133032012 in words is "thirty-three billion, one hundred thirty-three million, thirty-two thousand, twelve".