13211302231312 has 40 divisors (see below), whose sum is σ = 25618418128800. Its totient is φ = 6600099878400.

The previous prime is 13211302231261. The next prime is 13211302231333. The reversal of 13211302231312 is 21313220311231.

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, 93998563 + ... + 94139005.

It is an arithmetic number, because the mean of its divisors is an integer number (640460453220).

Almost surely, 2^{13211302231312} is an apocalyptic number.

It is an amenable number.

13211302231312 is a deficient number, since it is larger than the sum of its proper divisors (12407115897488).

13211302231312 is a wasteful number, since it uses less digits than its factorization.

13211302231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145351 (or 145345 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13211302231312 its reverse (21313220311231), we get a palindrome (34524522542543).

The spelling of 13211302231312 in words is "thirteen trillion, two hundred eleven billion, three hundred two million, two hundred thirty-one thousand, three hundred twelve".