12004112266 has 16 divisors (see below), whose sum is σ = 18608590728. Its totient is φ = 5803840000.

The previous prime is 12004112257. The next prime is 12004112273. The reversal of 12004112266 is 66221140021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4141566025 + 7862546241 = 64355^2 + 88671^2 .

It is a super-2 number, since 2×12004112266² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12004112266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638485 + ... + 657016.

Almost surely, 2^12004112266 is an apocalyptic number.

12004112266 is a deficient number, since it is larger than the sum of its proper divisors (6604478462).

12004112266 is a wasteful number, since it uses less digits than its factorization.

12004112266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295657.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 12004112266 its reverse (66221140021), we get a palindrome (78225252287).

The spelling of 12004112266 in words is "twelve billion, four million, one hundred twelve thousand, two hundred sixty-six".