33212133320 has 16 divisors (see below), whose sum is σ = 74727300060. Its totient is φ = 13284853312.

The previous prime is 33212133301. The next prime is 33212133341. The reversal of 33212133320 is 2333121233.

It can be written as a sum of positive squares in 2 ways, for example, as 28495465636 + 4716667684 = 168806^2 + 68678^2 .

It is a super-2 number, since 2×33212133320² (a number of 22 digits) contains 22 as substring.

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, 415151627 + ... + 415151706.

Almost surely, 2^33212133320 is an apocalyptic number.

It is an amenable number.

33212133320 is an abundant number, since it is smaller than the sum of its proper divisors (41515166740).

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

33212133320 is a wasteful number, since it uses less digits than its factorization.

33212133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830303344 (or 830303340 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33212133320 its reverse (2333121233), we get a palindrome (35545254553).

The spelling of 33212133320 in words is "thirty-three billion, two hundred twelve million, one hundred thirty-three thousand, three hundred twenty".