It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is an unprimeable number.
242112 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 42112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42112 is an equidigital number, since it uses as much as digits as its factorization.
42112 is an evil number, because the sum of its binary digits is even.
The square root of 42112 is about 205.2120854141. The cubic root of 42112 is about 34.7911370392.
Adding to 42112 its reverse (21124), we get a palindrome (63236).
The spelling of 42112 in words is "forty-two thousand, one hundred twelve", and thus it is an iban number.