812252133226 has 8 divisors (see below), whose sum is σ = 1218385514880. Its totient is φ = 406123628268.

The previous prime is 812252133181. The next prime is 812252133317. The reversal of 812252133226 is 622331252218.

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, 769626 + ... + 1488901.

It is an arithmetic number, because the mean of its divisors is an integer number (152298189360).

Almost surely, 2^812252133226 is an apocalyptic number.

812252133226 is a deficient number, since it is larger than the sum of its proper divisors (406133381654).

812252133226 is a wasteful number, since it uses less digits than its factorization.

812252133226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438348.

The product of its digits is 69120, while the sum is 37.

The spelling of 812252133226 in words is "eight hundred twelve billion, two hundred fifty-two million, one hundred thirty-three thousand, two hundred twenty-six".