13212113133232 has 40 divisors (see below), whose sum is σ = 28312652016656. Its totient is φ = 5933090301696.

The previous prime is 13212113133229. The next prime is 13212113133239. The reversal of 13212113133232 is 23233131121231.

It is a self number, because there is not a number n which added to its sum of digits gives 13212113133232.

It is not an unprimeable number, because it can be changed into a prime (13212113133239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858367638 + ... + 858383029.

Almost surely, 2^{13212113133232} is an apocalyptic number.

It is an amenable number.

13212113133232 is an abundant number, since it is smaller than the sum of its proper divisors (15100538883424).

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

13212113133232 is a wasteful number, since it uses less digits than its factorization.

13212113133232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716750725 (or 1716750719 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

Adding to 13212113133232 its reverse (23233131121231), we get a palindrome (36445244254463).

The spelling of 13212113133232 in words is "thirteen trillion, two hundred twelve billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred thirty-two".