12222331686 has 12 divisors (see below), whose sum is σ = 26481718692. Its totient is φ = 4074110556.

The previous prime is 12222331663. The next prime is 12222331697. The reversal of 12222331686 is 68613322221.

12222331686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12222331686.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339509196 + ... + 339509231.

It is an arithmetic number, because the mean of its divisors is an integer number (2206809891).

Almost surely, 2^12222331686 is an apocalyptic number.

12222331686 is an abundant number, since it is smaller than the sum of its proper divisors (14259387006).

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

12222331686 is a wasteful number, since it uses less digits than its factorization.

12222331686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679018435 (or 679018432 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 12222331686 in words is "twelve billion, two hundred twenty-two million, three hundred thirty-one thousand, six hundred eighty-six".