812324000423218 has 16 divisors (see below), whose sum is σ = 1218562398610560. Its totient is φ = 406136535070576.

The previous prime is 812324000423203. The next prime is 812324000423219.

812324000423218 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×812324000423218² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (812324000423219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2272952823 + ... + 2273310181.

It is an arithmetic number, because the mean of its divisors is an integer number (76160149913160).

Almost surely, 2^{812324000423218} is an apocalyptic number.

812324000423218 is a deficient number, since it is larger than the sum of its proper divisors (406238398187342).

812324000423218 is a wasteful number, since it uses less digits than its factorization.

812324000423218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425441.

The product of its (nonzero) digits is 147456, while the sum is 40.

It can be divided in two parts, 812324000 and 423218, that added together give a palindrome (812747218).

The spelling of 812324000423218 in words is "eight hundred twelve trillion, three hundred twenty-four billion, four hundred twenty-three thousand, two hundred eighteen".