33330131212 has 12 divisors (see below), whose sum is σ = 66660262480. Its totient is φ = 14284341936.

The previous prime is 33330131207. The next prime is 33330131239. The reversal of 33330131212 is 21213103333.

33330131212 is an admirable number.

It is a super-2 number, since 2×33330131212² (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, 595180887 + ... + 595180942.

Almost surely, 2^33330131212 is an apocalyptic number.

It is an amenable number.

33330131212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33330131212 is a wasteful number, since it uses less digits than its factorization.

33330131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190361840 (or 1190361838 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33330131212 its reverse (21213103333), we get a palindrome (54543234545).

The spelling of 33330131212 in words is "thirty-three billion, three hundred thirty million, one hundred thirty-one thousand, two hundred twelve".