810212 has 12 divisors (see below), whose sum is σ = 1527036. Its totient is φ = 373920.

The previous prime is 810209. The next prime is 810223. The reversal of 810212 is 212018.

810212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 179776 + 630436 = 424^2 + 794^2 .

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, 7739 + ... + 7842.

It is an arithmetic number, because the mean of its divisors is an integer number (127253).

2⁸¹⁰²¹² is an apocalyptic number.

It is an amenable number.

810212 is a deficient number, since it is larger than the sum of its proper divisors (716824).

810212 is a wasteful number, since it uses less digits than its factorization.

810212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15598 (or 15596 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 810212 is about 900.1177700723. The cubic root of 810212 is about 93.2251069790.

The spelling of 810212 in words is "eight hundred ten thousand, two hundred twelve".