33220010212 has 6 divisors (see below), whose sum is σ = 58135017878. Its totient is φ = 16610005104.

The previous prime is 33220010207. The next prime is 33220010231. The reversal of 33220010212 is 21201002233.

It can be written as a sum of positive squares in only one way, i.e., 27299631076 + 5920379136 = 165226^2 + 76944^2 .

It is a super-2 number, since 2×33220010212² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4152501273 + ... + 4152501280.

Almost surely, 2^33220010212 is an apocalyptic number.

It is an amenable number.

33220010212 is a deficient number, since it is larger than the sum of its proper divisors (24915007666).

33220010212 is a wasteful number, since it uses less digits than its factorization.

33220010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8305002557 (or 8305002555 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 33220010212 its reverse (21201002233), we get a palindrome (54421012445).

The spelling of 33220010212 in words is "thirty-three billion, two hundred twenty million, ten thousand, two hundred twelve".