12918845386 has 8 divisors (see below), whose sum is σ = 19408980384. Its totient is φ = 6449185260.

The previous prime is 12918845363. The next prime is 12918845393. The reversal of 12918845386 is 68354881921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12918845386² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5117140 + ... + 5119663.

It is an arithmetic number, because the mean of its divisors is an integer number (2426122548).

Almost surely, 2^12918845386 is an apocalyptic number.

12918845386 is a deficient number, since it is larger than the sum of its proper divisors (6490134998).

12918845386 is a wasteful number, since it uses less digits than its factorization.

12918845386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10237436.

The product of its digits is 3317760, while the sum is 55.

The spelling of 12918845386 in words is "twelve billion, nine hundred eighteen million, eight hundred forty-five thousand, three hundred eighty-six".