812446745112 has 48 divisors (see below), whose sum is σ = 2200591074240. Its totient is φ = 270789185088.

The previous prime is 812446745107. The next prime is 812446745219. The reversal of 812446745112 is 211547644218.

812446745112 is a `hidden beast` number, since 8 + 1 + 24 + 46 + 74 + 511 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200953 + ... + 1290455.

It is an arithmetic number, because the mean of its divisors is an integer number (45845647380).

Almost surely, 2^812446745112 is an apocalyptic number.

It is an amenable number.

812446745112 is an abundant number, since it is smaller than the sum of its proper divisors (1388144329128).

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

812446745112 is a wasteful number, since it uses less digits than its factorization.

812446745112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099872 (or 1099865 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The spelling of 812446745112 in words is "eight hundred twelve billion, four hundred forty-six million, seven hundred forty-five thousand, one hundred twelve".