12320000022 has 24 divisors (see below), whose sum is σ = 27083638008. Its totient is φ = 3733333120.

The previous prime is 12319999997. The next prime is 12320000041. The reversal of 12320000022 is 22000002321.

It is a junction number, because it is equal to n+sod(n) for n = 12319999962 and 12320000007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8484123 + ... + 8485574.

It is an arithmetic number, because the mean of its divisors is an integer number (1128484917).

Almost surely, 2^12320000022 is an apocalyptic number.

12320000022 is an abundant number, since it is smaller than the sum of its proper divisors (14763637986).

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

12320000022 is a wasteful number, since it uses less digits than its factorization.

12320000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16969724 (or 16969713 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 12320000022 its reverse (22000002321), we get a palindrome (34320002343).

The spelling of 12320000022 in words is "twelve billion, three hundred twenty million, twenty-two", and thus it is an aban number.