33120333012 has 24 divisors (see below), whose sum is σ = 83225452576. Its totient is φ = 10190871648.

The previous prime is 33120333007. The next prime is 33120333023. The reversal of 33120333012 is 21033302133.

It is a self number, because there is not a number n which added to its sum of digits gives 33120333012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106154758 + ... + 106155069.

Almost surely, 2^33120333012 is an apocalyptic number.

It is an amenable number.

33120333012 is an abundant number, since it is smaller than the sum of its proper divisors (50105119564).

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

33120333012 is a wasteful number, since it uses less digits than its factorization.

33120333012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212309847 (or 212309845 counting only the distinct ones).

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

Adding to 33120333012 its reverse (21033302133), we get a palindrome (54153635145).

The spelling of 33120333012 in words is "thirty-three billion, one hundred twenty million, three hundred thirty-three thousand, twelve".