12231320122 has 12 divisors (see below), whose sum is σ = 21342405690. Its totient is φ = 5241994296.

The previous prime is 12231320119. The next prime is 12231320137. The reversal of 12231320122 is 22102313221.

It can be written as a sum of positive squares in only one way, i.e., 10772156521 + 1459163601 = 103789^2 + 38199^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12231320122.

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, 62404597 + ... + 62404792.

Almost surely, 2^12231320122 is an apocalyptic number.

12231320122 is a deficient number, since it is larger than the sum of its proper divisors (9111085568).

12231320122 is a wasteful number, since it uses less digits than its factorization.

12231320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124809405 (or 124809398 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12231320122 its reverse (22102313221), we get a palindrome (34333633343).

The spelling of 12231320122 in words is "twelve billion, two hundred thirty-one million, three hundred twenty thousand, one hundred twenty-two".