812426484624218 has 8 divisors (see below), whose sum is σ = 1218639894131712. Its totient is φ = 406213186580316.

The previous prime is 812426484624091. The next prime is 812426484624229.

812426484624218 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×812426484624218² (a number of 31 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, 6308780 + ... + 40800167.

It is an arithmetic number, because the mean of its divisors is an integer number (152329986766464).

Almost surely, 2^{812426484624218} is an apocalyptic number.

812426484624218 is a deficient number, since it is larger than the sum of its proper divisors (406213409507494).

812426484624218 is a wasteful number, since it uses less digits than its factorization.

812426484624218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55731796.

The product of its digits is 75497472, while the sum is 62.

The spelling of 812426484624218 in words is "eight hundred twelve trillion, four hundred twenty-six billion, four hundred eighty-four million, six hundred twenty-four thousand, two hundred eighteen".