12810851094218 has 8 divisors (see below), whose sum is σ = 19220216839812. Its totient is φ = 6404112147616.

The previous prime is 12810851094211. The next prime is 12810851094229. The reversal of 12810851094218 is 81249015801821.

It is a happy number.

12810851094218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11959997972329 + 850853121889 = 3458323^2 + 922417^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12810851094211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656687555 + ... + 656707062.

Almost surely, 2^{12810851094218} is an apocalyptic number.

12810851094218 is a deficient number, since it is larger than the sum of its proper divisors (6409365745594).

12810851094218 is a wasteful number, since it uses less digits than its factorization.

12810851094218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313399496.

The product of its (nonzero) digits is 368640, while the sum is 50.

The spelling of 12810851094218 in words is "twelve trillion, eight hundred ten billion, eight hundred fifty-one million, ninety-four thousand, two hundred eighteen".