12122232 has 32 divisors (see below), whose sum is σ = 31352400. Its totient is φ = 3901184.

The previous prime is 12122221. The next prime is 12122237. The reversal of 12122232 is 23222121.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8013 + ... + 9404.

Almost surely, 2^12122232 is an apocalyptic number.

12122232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122232 is an abundant number, since it is smaller than the sum of its proper divisors (19230168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122232 is a wasteful number, since it uses less digits than its factorization.

12122232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17455 (or 17451 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 12122232 is about 3481.6995849728. The cubic root of 12122232 is about 229.7175613114.

Adding to 12122232 its reverse (23222121), we get a palindrome (35344353).

The spelling of 12122232 in words is "twelve million, one hundred twenty-two thousand, two hundred thirty-two".