33231132212 has 12 divisors (see below), whose sum is σ = 58807903140. Its totient is φ = 16428874176.

The previous prime is 33231132139. The next prime is 33231132223. The reversal of 33231132212 is 21223113233.

It can be written as a sum of positive squares in 2 ways, for example, as 11797000996 + 21434131216 = 108614^2 + 146404^2 .

It is a super-2 number, since 2×33231132212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 46672583 + ... + 46673294.

It is an arithmetic number, because the mean of its divisors is an integer number (4900658595).

Almost surely, 2^33231132212 is an apocalyptic number.

It is an amenable number.

33231132212 is a deficient number, since it is larger than the sum of its proper divisors (25576770928).

33231132212 is a wasteful number, since it uses less digits than its factorization.

33231132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93345970 (or 93345968 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 33231132212 its reverse (21223113233), we get a palindrome (54454245445).

The spelling of 33231132212 in words is "thirty-three billion, two hundred thirty-one million, one hundred thirty-two thousand, two hundred twelve".