12986595122 has 18 divisors (see below), whose sum is σ = 19819473687. Its totient is φ = 6382015200.

The previous prime is 12986595119. The next prime is 12986595203. The reversal of 12986595122 is 22159568921.

It is a happy number.

12986595122 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 5 ways, for example, as 5270905201 + 7715689921 = 72601^2 + 87839^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=80581.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 9830222 + ... + 9831542.

Almost surely, 2^12986595122 is an apocalyptic number.

12986595122 is a deficient number, since it is larger than the sum of its proper divisors (6832878565).

12986595122 is an frugal number, since it uses more digits than its factorization.

12986595122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766 (or 1384 counting only the distinct ones).

The product of its digits is 777600, while the sum is 50.

Multiplying 12986595122 by its sum of digits (50), we get a square (649329756100 = 805810²).

The spelling of 12986595122 in words is "twelve billion, nine hundred eighty-six million, five hundred ninety-five thousand, one hundred twenty-two".