12418642195 has 16 divisors (see below), whose sum is σ = 15578807040. Its totient is φ = 9485540064.

The previous prime is 12418642169. The next prime is 12418642217. The reversal of 12418642195 is 59124681421.

It is a cyclic number.

It is not a de Polignac number, because 12418642195 - 2²⁹ = 11881771283 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35805 + ... + 161614.

It is an arithmetic number, because the mean of its divisors is an integer number (973675440).

Almost surely, 2^12418642195 is an apocalyptic number.

12418642195 is a deficient number, since it is larger than the sum of its proper divisors (3160164845).

12418642195 is a wasteful number, since it uses less digits than its factorization.

12418642195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197994.

The product of its digits is 138240, while the sum is 43.

The spelling of 12418642195 in words is "twelve billion, four hundred eighteen million, six hundred forty-two thousand, one hundred ninety-five".