12122432 has 28 divisors (see below), whose sum is σ = 27492960. Its totient is φ = 5195136.

The previous prime is 12122419. The next prime is 12122443. The reversal of 12122432 is 23422121.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 12122432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13082 + ... + 13977.

Almost surely, 2^12122432 is an apocalyptic number.

It is an amenable number.

12122432 is an abundant number, since it is smaller than the sum of its proper divisors (15370528).

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

12122432 is an equidigital number, since it uses as much as digits as its factorization.

12122432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27078 (or 27068 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 12122432 is about 3481.7283064593. The cubic root of 12122432 is about 229.7188246447.

Adding to 12122432 its reverse (23422121), we get a palindrome (35544553).

The spelling of 12122432 in words is "twelve million, one hundred twenty-two thousand, four hundred thirty-two".