12231123313312 has 48 divisors (see below), whose sum is σ = 25127727750720. Its totient is φ = 5849493962752.

The previous prime is 12231123313309. The next prime is 12231123313319. The reversal of 12231123313312 is 21331332113221.

It is not an unprimeable number, because it can be changed into a prime (12231123313319) 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, 26527239 + ... + 26984377.

It is an arithmetic number, because the mean of its divisors is an integer number (523494328140).

Almost surely, 2^{12231123313312} is an apocalyptic number.

It is an amenable number.

12231123313312 is an abundant number, since it is smaller than the sum of its proper divisors (12896604437408).

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

12231123313312 is a wasteful number, since it uses less digits than its factorization.

12231123313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493525 (or 493517 counting only the distinct ones).

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

Adding to 12231123313312 its reverse (21331332113221), we get a palindrome (33562455426533).

The spelling of 12231123313312 in words is "twelve trillion, two hundred thirty-one billion, one hundred twenty-three million, three hundred thirteen thousand, three hundred twelve".