Adding to 12200240 its reverse (4200221), we get a palindrome (16400461).
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
Almost surely, 212200240 is an apocalyptic number.
12200240 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 pseudoperfect number, because it is the sum of a subset of its proper divisors.
12200240 is a wasteful number, since it uses less digits than its factorization.
12200240 is an evil number, because the sum of its binary digits is even.
The square root of 12200240 is about 3492.8841950457. The cubic root of 12200240 is about 230.2092613454.
The spelling of 12200240 in words is "twelve million, two hundred thousand, two hundred forty".