12861196306 has 12 divisors (see below), whose sum is σ = 22441475358. Its totient is φ = 5511941232.

The previous prime is 12861196291. The next prime is 12861196321. The reversal of 12861196306 is 60369116821.

It is an interprime number because it is at equal distance from previous prime (12861196291) and next prime (12861196321).

It can be written as a sum of positive squares in only one way, i.e., 7308711081 + 5552485225 = 85491^2 + 74515^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65618251 + ... + 65618446.

Almost surely, 2^12861196306 is an apocalyptic number.

12861196306 is a deficient number, since it is larger than the sum of its proper divisors (9580279052).

12861196306 is a wasteful number, since it uses less digits than its factorization.

12861196306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131236713 (or 131236706 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 12861196306 in words is "twelve billion, eight hundred sixty-one million, one hundred ninety-six thousand, three hundred six".