12322121118 has 64 divisors (see below), whose sum is σ = 26976706560. Its totient is φ = 3735360000.

The previous prime is 12322121117. The next prime is 12322121179. The reversal of 12322121118 is 81112122321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322121113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2372068 + ... + 2377256.

It is an arithmetic number, because the mean of its divisors is an integer number (421511040).

Almost surely, 2^12322121118 is an apocalyptic number.

12322121118 is an abundant number, since it is smaller than the sum of its proper divisors (14654585442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12322121118 is a wasteful number, since it uses less digits than its factorization.

12322121118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5993.

The product of its digits is 384, while the sum is 24.

Adding to 12322121118 its reverse (81112122321), we get a palindrome (93434243439).

The spelling of 12322121118 in words is "twelve billion, three hundred twenty-two million, one hundred twenty-one thousand, one hundred eighteen".