12131233322 has 16 divisors (see below), whose sum is σ = 19682192040. Its totient is φ = 5574578112.

The previous prime is 12131233159. The next prime is 12131233333. The reversal of 12131233322 is 22333213121.

It can be written as a sum of positive squares in 4 ways, for example, as 9360369001 + 2770864321 = 96749^2 + 52639^2 .

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, 1012793 + ... + 1024700.

Almost surely, 2^12131233322 is an apocalyptic number.

12131233322 is a deficient number, since it is larger than the sum of its proper divisors (7550958718).

12131233322 is a wasteful number, since it uses less digits than its factorization.

12131233322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037737.

The product of its digits is 1296, while the sum is 23.

Adding to 12131233322 its reverse (22333213121), we get a palindrome (34464446443).

The spelling of 12131233322 in words is "twelve billion, one hundred thirty-one million, two hundred thirty-three thousand, three hundred twenty-two".