812236108 has 12 divisors (see below), whose sum is σ = 1422116640. Its totient is φ = 405917072.

The previous prime is 812236069. The next prime is 812236123. The reversal of 812236108 is 801632218.

812236108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 812236108.

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, 40963 + ... + 57466.

It is an arithmetic number, because the mean of its divisors is an integer number (118509720).

Almost surely, 2^812236108 is an apocalyptic number.

It is an amenable number.

812236108 is a deficient number, since it is larger than the sum of its proper divisors (609880532).

812236108 is a wasteful number, since it uses less digits than its factorization.

812236108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100496 (or 100494 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 812236108 is about 28499.7562796597. The cubic root of 812236108 is about 933.0267546924.

The spelling of 812236108 in words is "eight hundred twelve million, two hundred thirty-six thousand, one hundred eight".