12218000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
Almost surely, 212218000 is an apocalyptic number.
12218000 is a gapful number since it is divisible by the number (10) 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 12218000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15233400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12218000 is a wasteful number, since it uses less digits than its factorization.
12218000 is an evil number, because the sum of its binary digits is even.
The square root of 12218000 is about 3495.4255821001. The cubic root of 12218000 is about 230.3209130886.
Adding to 12218000 its reverse (81221), we get a palindrome (12299221).
The spelling of 12218000 in words is "twelve million, two hundred eighteen thousand".