Adding to 12210 its reverse (1221), we get a palindrome (13431).
It is a happy number.
It is a Curzon number.
12210 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
212210 is an apocalyptic number.
12210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210 is a wasteful number, since it uses less digits than its factorization.
12210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58.
The square root of 12210 is about 110.4988687725. The cubic root of 12210 is about 23.0270632912.
The spelling of 12210 in words is "twelve thousand, two hundred ten", and thus it is an iban number.