33031020131212 has 24 divisors (see below), whose sum is σ = 60861533644800. Its totient is φ = 15642436736016.

The previous prime is 33031020131203. The next prime is 33031020131257. The reversal of 33031020131212 is 21213102013033.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52965148 + ... + 53585155.

It is an arithmetic number, because the mean of its divisors is an integer number (2535897235200).

Almost surely, 2^{33031020131212} is an apocalyptic number.

It is an amenable number.

33031020131212 is a deficient number, since it is larger than the sum of its proper divisors (27830513513588).

33031020131212 is a wasteful number, since it uses less digits than its factorization.

33031020131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106554405 (or 106554403 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 33031020131212 its reverse (21213102013033), we get a palindrome (54244122144245).

The spelling of 33031020131212 in words is "thirty-three trillion, thirty-one billion, twenty million, one hundred thirty-one thousand, two hundred twelve".