Adding to 203112 its reverse (211302), we get a palindrome (414414).
It is a happy number.
203112 is nontrivially palindromic in base 5.
203112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a nialpdrome in base 12.
It is a zygodrome in base 5.
203112 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2203112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 203112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203112 is a wasteful number, since it uses less digits than its factorization.
203112 is an evil number, because the sum of its binary digits is even.
The square root of 203112 is about 450.6794869971. The cubic root of 203112 is about 58.7821131211.
The spelling of 203112 in words is "two hundred three thousand, one hundred twelve", and thus it is an iban number.