12318168222 has 24 divisors (see below), whose sum is σ = 26707370976. Its totient is φ = 4103285856.

The previous prime is 12318168221. The next prime is 12318168241. The reversal of 12318168222 is 22286181321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318168221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203343 + ... + 256874.

It is an arithmetic number, because the mean of its divisors is an integer number (1112807124).

Almost surely, 2^12318168222 is an apocalyptic number.

12318168222 is an abundant number, since it is smaller than the sum of its proper divisors (14389202754).

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

12318168222 is a wasteful number, since it uses less digits than its factorization.

12318168222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461712 (or 461709 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The spelling of 12318168222 in words is "twelve billion, three hundred eighteen million, one hundred sixty-eight thousand, two hundred twenty-two".