12245814218 has 24 divisors (see below), whose sum is σ = 20198217024. Its totient is φ = 5522290200.

The previous prime is 12245814193. The next prime is 12245814227. The reversal of 12245814218 is 81241854221.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337583 + ... + 372093.

It is an arithmetic number, because the mean of its divisors is an integer number (841592376).

Almost surely, 2^12245814218 is an apocalyptic number.

12245814218 is a deficient number, since it is larger than the sum of its proper divisors (7952402806).

12245814218 is a wasteful number, since it uses less digits than its factorization.

12245814218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34778 (or 34651 counting only the distinct ones).

The product of its digits is 40960, while the sum is 38.

The spelling of 12245814218 in words is "twelve billion, two hundred forty-five million, eight hundred fourteen thousand, two hundred eighteen".