Adding to 213120 its reverse (21312), we get a palindrome (234432).
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is an unprimeable number.
2213120 is an apocalyptic number.
213120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213120 is a wasteful number, since it uses less digits than its factorization.
213120 is an evil number, because the sum of its binary digits is even.
The square root of 213120 is about 461.6492174801. The cubic root of 213120 is about 59.7321392902.
The spelling of 213120 in words is "two hundred thirteen thousand, one hundred twenty".