810468212 has 12 divisors (see below), whose sum is σ = 1420052676. Its totient is φ = 404738880.

The previous prime is 810468203. The next prime is 810468229. The reversal of 810468212 is 212864018.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 475065616 + 335402596 = 21796^2 + 18314^2 .

It is a congruent number.

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, 120113 + ... + 126680.

It is an arithmetic number, because the mean of its divisors is an integer number (118337723).

Almost surely, 2^810468212 is an apocalyptic number.

It is an amenable number.

810468212 is a deficient number, since it is larger than the sum of its proper divisors (609584464).

810468212 is a wasteful number, since it uses less digits than its factorization.

810468212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247618 (or 247616 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 810468212 is about 28468.7233995485. The cubic root of 810468212 is about 932.3493275043.

The spelling of 810468212 in words is "eight hundred ten million, four hundred sixty-eight thousand, two hundred twelve".