12321311122 has 32 divisors (see below), whose sum is σ = 19165930560. Its totient is φ = 5938099200.

The previous prime is 12321311099. The next prime is 12321311131. The reversal of 12321311122 is 22111312321.

It is a self number, because there is not a number n which added to its sum of digits gives 12321311122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1151497 + ... + 1162147.

It is an arithmetic number, because the mean of its divisors is an integer number (598935330).

Almost surely, 2^12321311122 is an apocalyptic number.

12321311122 is a deficient number, since it is larger than the sum of its proper divisors (6844619438).

12321311122 is a wasteful number, since it uses less digits than its factorization.

12321311122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10906.

The product of its digits is 144, while the sum is 19.

Adding to 12321311122 its reverse (22111312321), we get a palindrome (34432623443).

The spelling of 12321311122 in words is "twelve billion, three hundred twenty-one million, three hundred eleven thousand, one hundred twenty-two".