212116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
212116 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2212116 is an apocalyptic number.
It is an amenable number.
212116 is a wasteful number, since it uses less digits than its factorization.
212116 is an odious number, because the sum of its binary digits is odd.
The square root of 212116 is about 460.5605280525. The cubic root of 212116 is about 59.6381930175.
Adding to 212116 its reverse (611212), we get a palindrome (823328).
The spelling of 212116 in words is "two hundred twelve thousand, one hundred sixteen".