13233133312 has 36 divisors (see below), whose sum is σ = 30188089456. Its totient is φ = 5671342080.

The previous prime is 13233133279. The next prime is 13233133349. The reversal of 13233133312 is 21333133231.

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, 3690489 + ... + 3694072.

Almost surely, 2^13233133312 is an apocalyptic number.

It is an amenable number.

13233133312 is an abundant number, since it is smaller than the sum of its proper divisors (16954956144).

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

13233133312 is an frugal number, since it uses more digits than its factorization.

13233133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7384584 (or 7384570 counting only the distinct ones).

The product of its digits is 2916, while the sum is 25.

Adding to 13233133312 its reverse (21333133231), we get a palindrome (34566266543).

The spelling of 13233133312 in words is "thirteen billion, two hundred thirty-three million, one hundred thirty-three thousand, three hundred twelve".