812412797708 has 12 divisors (see below), whose sum is σ = 1425533986800. Its totient is φ = 405117372912.

The previous prime is 812412797657. The next prime is 812412797747. The reversal of 812412797708 is 807797214218.

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 3 ways as a sum of consecutive naturals, for example, 272254808 + ... + 272257791.

It is an arithmetic number, because the mean of its divisors is an integer number (118794498900).

Almost surely, 2^812412797708 is an apocalyptic number.

It is an amenable number.

812412797708 is a deficient number, since it is larger than the sum of its proper divisors (613121189092).

812412797708 is a wasteful number, since it uses less digits than its factorization.

812412797708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544512976 (or 544512974 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 56.

The spelling of 812412797708 in words is "eight hundred twelve billion, four hundred twelve million, seven hundred ninety-seven thousand, seven hundred eight".