12673275218 has 18 divisors (see below), whose sum is σ = 19878109797. Its totient is φ = 6059380360.

The previous prime is 12673275217. The next prime is 12673275247. The reversal of 12673275218 is 81257237621.

It can be written as a sum of positive squares in 2 ways, for example, as 11384249809 + 1289025409 = 106697^2 + 35903^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=79603.

It is a super-2 number, since 2×12673275218² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12673275211) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3660008 + ... + 3663468.

Almost surely, 2^12673275218 is an apocalyptic number.

12673275218 is a deficient number, since it is larger than the sum of its proper divisors (7204834579).

12673275218 is an frugal number, since it uses more digits than its factorization.

12673275218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970 (or 3486 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The spelling of 12673275218 in words is "twelve billion, six hundred seventy-three million, two hundred seventy-five thousand, two hundred eighteen".