12231201322 has 16 divisors (see below), whose sum is σ = 19723328640. Its totient is φ = 5670455328.

The previous prime is 12231201287. The next prime is 12231201331. The reversal of 12231201322 is 22310213221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12231201322.

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, 3422403 + ... + 3425974.

It is an arithmetic number, because the mean of its divisors is an integer number (1232708040).

Almost surely, 2^12231201322 is an apocalyptic number.

12231201322 is a deficient number, since it is larger than the sum of its proper divisors (7492127318).

12231201322 is a wasteful number, since it uses less digits than its factorization.

12231201322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6848445.

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

Adding to 12231201322 its reverse (22310213221), we get a palindrome (34541414543).

The spelling of 12231201322 in words is "twelve billion, two hundred thirty-one million, two hundred one thousand, three hundred twenty-two".