12365668322 has 54 divisors (see below), whose sum is σ = 22138305867. Its totient is φ = 5165113128.

The previous prime is 12365668321. The next prime is 12365668333. The reversal of 12365668322 is 22386656321.

12365668322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6182834161 + 6182834161 = 78631^2 + 78631^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78631.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12365668321) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 51739079 + ... + 51739317.

Almost surely, 2^12365668322 is an apocalyptic number.

12365668322 is a deficient number, since it is larger than the sum of its proper divisors (9772637545).

12365668322 is an frugal number, since it uses more digits than its factorization.

12365668322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 295 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The spelling of 12365668322 in words is "twelve billion, three hundred sixty-five million, six hundred sixty-eight thousand, three hundred twenty-two".