Adding to 12113232 its reverse (23231121), we get a palindrome (35344353).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
Almost surely, 212113232 is an apocalyptic number.
12113232 is a gapful number since it is divisible by the number (12) 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.
12113232 is a wasteful number, since it uses less digits than its factorization.
12113232 is an odious number, because the sum of its binary digits is odd.
The square root of 12113232 is about 3480.4068727665. The cubic root of 12113232 is about 229.6606969233.
The spelling of 12113232 in words is "twelve million, one hundred thirteen thousand, two hundred thirty-two".