812248842218 has 8 divisors (see below), whose sum is σ = 1329134469120. Its totient is φ = 369204019180.

The previous prime is 812248842193. The next prime is 812248842239.

812248842218 is nontrivially palindromic in base 10.

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

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, 18460200938 + ... + 18460200981.

It is an arithmetic number, because the mean of its divisors is an integer number (166141808640).

Almost surely, 2^812248842218 is an apocalyptic number.

812248842218 is a deficient number, since it is larger than the sum of its proper divisors (516885626902).

812248842218 is a wasteful number, since it uses less digits than its factorization.

812248842218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36920401932.

The product of its digits is 1048576, while the sum is 50.

The spelling of 812248842218 in words is "eight hundred twelve billion, two hundred forty-eight million, eight hundred forty-two thousand, two hundred eighteen".