33012122213 has 16 divisors (see below), whose sum is σ = 38541004800. Its totient is φ = 27686773296.

The previous prime is 33012122161. The next prime is 33012122237. The reversal of 33012122213 is 31222121033.

It is a de Polignac number, because none of the positive numbers 2^k-33012122213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33012122513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1503488 + ... + 1525286.

It is an arithmetic number, because the mean of its divisors is an integer number (2408812800).

Almost surely, 2^33012122213 is an apocalyptic number.

It is an amenable number.

33012122213 is a deficient number, since it is larger than the sum of its proper divisors (5528882587).

33012122213 is a wasteful number, since it uses less digits than its factorization.

33012122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26456.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33012122213 its reverse (31222121033), we get a palindrome (64234243246).

The spelling of 33012122213 in words is "thirty-three billion, twelve million, one hundred twenty-two thousand, two hundred thirteen".