812086134422 has 8 divisors (see below), whose sum is σ = 1218133389096. Its totient is φ = 406041671392.

The previous prime is 812086134373. The next prime is 812086134467. The reversal of 812086134422 is 224431680218.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 812086134422.

It is a congruent number.

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, 335198 + ... + 1317774.

It is an arithmetic number, because the mean of its divisors is an integer number (152266673637).

Almost surely, 2^812086134422 is an apocalyptic number.

812086134422 is a deficient number, since it is larger than the sum of its proper divisors (406047254674).

812086134422 is a wasteful number, since it uses less digits than its factorization.

812086134422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395822.

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 812086134422 in words is "eight hundred twelve billion, eighty-six million, one hundred thirty-four thousand, four hundred twenty-two".