812326554758122 has 8 divisors (see below), whose sum is σ = 1218493126436256. Its totient is φ = 406162179279372.

The previous prime is 812326554758113. The next prime is 812326554758207. The reversal of 812326554758122 is 221857455623218.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548124838 + ... + 549604849.

It is an arithmetic number, because the mean of its divisors is an integer number (152311640804532).

Almost surely, 2^{812326554758122} is an apocalyptic number.

812326554758122 is a deficient number, since it is larger than the sum of its proper divisors (406166571678134).

812326554758122 is a wasteful number, since it uses less digits than its factorization.

812326554758122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098099692.

The product of its digits is 64512000, while the sum is 61.

The spelling of 812326554758122 in words is "eight hundred twelve trillion, three hundred twenty-six billion, five hundred fifty-four million, seven hundred fifty-eight thousand, one hundred twenty-two".