13311231232112 has 60 divisors (see below), whose sum is σ = 28373360915760. Its totient is φ = 6045199438080.

The previous prime is 13311231232099. The next prime is 13311231232153. The reversal of 13311231232112 is 21123213211331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 859268 + ... + 5230755.

It is an arithmetic number, because the mean of its divisors is an integer number (472889348596).

Almost surely, 2^{13311231232112} is an apocalyptic number.

It is an amenable number.

13311231232112 is an abundant number, since it is smaller than the sum of its proper divisors (15062129683648).

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

13311231232112 is a wasteful number, since it uses less digits than its factorization.

13311231232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6091182 (or 6091165 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

Adding to 13311231232112 its reverse (21123213211331), we get a palindrome (34434444443443).

The spelling of 13311231232112 in words is "thirteen trillion, three hundred eleven billion, two hundred thirty-one million, two hundred thirty-two thousand, one hundred twelve".