12806031076 has 12 divisors (see below), whose sum is σ = 23016245308. Its totient is φ = 6229960992.

The previous prime is 12806031071. The next prime is 12806031101. The reversal of 12806031076 is 67013060821.

It can be written as a sum of positive squares in 2 ways, for example, as 7783474176 + 5022556900 = 88224^2 + 70870^2 .

It is not an unprimeable number, because it can be changed into a prime (12806031071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43263471 + ... + 43263766.

Almost surely, 2^12806031076 is an apocalyptic number.

It is an amenable number.

12806031076 is a deficient number, since it is larger than the sum of its proper divisors (10210214232).

12806031076 is a wasteful number, since it uses less digits than its factorization.

12806031076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86527278 (or 86527276 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 12806031076 its reverse (67013060821), we get a palindrome (79819091897).

The spelling of 12806031076 in words is "twelve billion, eight hundred six million, thirty-one thousand, seventy-six".