212210210 has 8 divisors (see below), whose sum is σ = 381978396. Its totient is φ = 84884080.

The previous prime is 212210171. The next prime is 212210237. The reversal of 212210210 is 12012212.

It is a happy number.

212210210 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 212022721 + 187489 = 14561^2 + 433^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 212210191 and 212210200.

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, 10610501 + ... + 10610520.

Almost surely, 2^212210210 is an apocalyptic number.

212210210 is a deficient number, since it is larger than the sum of its proper divisors (169768186).

212210210 is a wasteful number, since it uses less digits than its factorization.

212210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21221028.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 212210210 is about 14567.4366310618. The cubic root of 212210210 is about 596.4702102134.

Adding to 212210210 its reverse (12012212), we get a palindrome (224222422).

The spelling of 212210210 in words is "two hundred twelve million, two hundred ten thousand, two hundred ten".