12232213122 has 32 divisors (see below), whose sum is σ = 24941374848. Its totient is φ = 3998007936.

The previous prime is 12232213109. The next prime is 12232213187. The reversal of 12232213122 is 22131223221.

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 546483 + ... + 568425.

It is an arithmetic number, because the mean of its divisors is an integer number (779417964).

Almost surely, 2^12232213122 is an apocalyptic number.

12232213122 is an abundant number, since it is smaller than the sum of its proper divisors (12709161726).

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

12232213122 is a wasteful number, since it uses less digits than its factorization.

12232213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23754.

The product of its digits is 576, while the sum is 21.

Adding to 12232213122 its reverse (22131223221), we get a palindrome (34363436343).

The spelling of 12232213122 in words is "twelve billion, two hundred thirty-two million, two hundred thirteen thousand, one hundred twenty-two".