33212212120 has 64 divisors (see below), whose sum is σ = 75082091040. Its totient is φ = 13221964800.

The previous prime is 33212212109. The next prime is 33212212123. The reversal of 33212212120 is 2121221233.

It is a super-2 number, since 2×33212212120² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33212212123) 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, 14952610 + ... + 14954830.

Almost surely, 2^33212212120 is an apocalyptic number.

It is an amenable number.

33212212120 is an abundant number, since it is smaller than the sum of its proper divisors (41869878920).

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

33212212120 is a wasteful number, since it uses less digits than its factorization.

33212212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836 (or 3832 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 33212212120 its reverse (2121221233), we get a palindrome (35333433353).

The spelling of 33212212120 in words is "thirty-three billion, two hundred twelve million, two hundred twelve thousand, one hundred twenty".