It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
124212 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2124212 is an apocalyptic number.
124212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124212 is a wasteful number, since it uses less digits than its factorization.
124212 is an odious number, because the sum of its binary digits is odd.
The square root of 124212 is about 352.4372284535. The cubic root of 124212 is about 49.8947117768.
Adding to 124212 its reverse (212421), we get a palindrome (336633).
Subtracting 124212 from its reverse (212421), we obtain a square (88209 = 2972).
The spelling of 124212 in words is "one hundred twenty-four thousand, two hundred twelve", and thus it is an iban number.