12131333422 has 12 divisors (see below), whose sum is σ = 19704444480. Its totient is φ = 5599076808.

The previous prime is 12131333411. The next prime is 12131333453. The reversal of 12131333422 is 22433313121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17945422 + ... + 17946097.

It is an arithmetic number, because the mean of its divisors is an integer number (1642037040).

Almost surely, 2^12131333422 is an apocalyptic number.

12131333422 is a deficient number, since it is larger than the sum of its proper divisors (7573111058).

12131333422 is a wasteful number, since it uses less digits than its factorization.

12131333422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35891547 (or 35891534 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 12131333422 its reverse (22433313121), we get a palindrome (34564646543).

The spelling of 12131333422 in words is "twelve billion, one hundred thirty-one million, three hundred thirty-three thousand, four hundred twenty-two".