212210 has 8 divisors (see below), whose sum is σ = 381996. Its totient is φ = 84880.

The previous prime is 212209. The next prime is 212227. The reversal of 212210 is 12212.

212210 is digitally balanced in base 3, 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 201601 + 10609 = 449^2 + 103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10601 + ... + 10620.

2²¹²²¹⁰ is an apocalyptic number.

212210 is a deficient number, since it is larger than the sum of its proper divisors (169786).

212210 is a wasteful number, since it uses less digits than its factorization.

212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21228.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 212210 is about 460.6625663107. The cubic root of 212210 is about 59.6470013461.

Adding to 212210 its reverse (12212), we get a palindrome (224422).

The spelling of 212210 in words is "two hundred twelve thousand, two hundred ten", and thus it is an iban number.