812233332218 has 32 divisors (see below), whose sum is σ = 1524349324800. Its totient is φ = 315336314160.

The previous prime is 812233332217. The next prime is 812233332241.

812233332218 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (812233332217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9274868 + ... + 9362031.

It is an arithmetic number, because the mean of its divisors is an integer number (47635916400).

Almost surely, 2^812233332218 is an apocalyptic number.

812233332218 is a deficient number, since it is larger than the sum of its proper divisors (712115992582).

812233332218 is a wasteful number, since it uses less digits than its factorization.

812233332218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18637202.

The product of its digits is 82944, while the sum is 38.

The spelling of 812233332218 in words is "eight hundred twelve billion, two hundred thirty-three million, three hundred thirty-two thousand, two hundred eighteen".