812475401226 has 16 divisors (see below), whose sum is σ = 1625238319584. Its totient is φ = 270777214224.

The previous prime is 812475401191. The next prime is 812475401233. The reversal of 812475401226 is 622104574218.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11943136 + ... + 12010971.

It is an arithmetic number, because the mean of its divisors is an integer number (101577394974).

Almost surely, 2^812475401226 is an apocalyptic number.

812475401226 is an abundant number, since it is smaller than the sum of its proper divisors (812762918358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812475401226 is a wasteful number, since it uses less digits than its factorization.

812475401226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23959765.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 812475401226 in words is "eight hundred twelve billion, four hundred seventy-five million, four hundred one thousand, two hundred twenty-six".