812327812 has 24 divisors (see below), whose sum is σ = 1447679520. Its totient is φ = 398724480.

The previous prime is 812327809. The next prime is 812327897. The reversal of 812327812 is 218723218.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205963 + ... + 209869.

It is an arithmetic number, because the mean of its divisors is an integer number (60319980).

Almost surely, 2^812327812 is an apocalyptic number.

It is an amenable number.

812327812 is a deficient number, since it is larger than the sum of its proper divisors (635351708).

812327812 is a wasteful number, since it uses less digits than its factorization.

812327812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851 (or 4849 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 812327812 is about 28501.3650901145. The cubic root of 812327812 is about 933.0618672518.

The spelling of 812327812 in words is "eight hundred twelve million, three hundred twenty-seven thousand, eight hundred twelve".