812305196 has 12 divisors (see below), whose sum is σ = 1470552720. Its totient is φ = 392147280.

The previous prime is 812305181. The next prime is 812305213. The reversal of 812305196 is 691503218.

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, 3501200 + ... + 3501431.

It is an arithmetic number, because the mean of its divisors is an integer number (122546060).

Almost surely, 2^812305196 is an apocalyptic number.

It is an amenable number.

812305196 is a deficient number, since it is larger than the sum of its proper divisors (658247524).

812305196 is a wasteful number, since it uses less digits than its factorization.

812305196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7002664 (or 7002662 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 812305196 is about 28500.9683344268. The cubic root of 812305196 is about 933.0532080534.

The spelling of 812305196 in words is "eight hundred twelve million, three hundred five thousand, one hundred ninety-six".