12123422 has 8 divisors (see below), whose sum is σ = 18214176. Its totient is φ = 6052032.

The previous prime is 12123373. The next prime is 12123439. The reversal of 12123422 is 22432121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12123422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3158 + ... + 5849.

It is an arithmetic number, because the mean of its divisors is an integer number (2276772).

Almost surely, 2^12123422 is an apocalyptic number.

12123422 is a deficient number, since it is larger than the sum of its proper divisors (6090754).

12123422 is an equidigital number, since it uses as much as digits as its factorization.

12123422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682.

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

The square root of 12123422 is about 3481.8704743284. The cubic root of 12123422 is about 229.7250779402.

Adding to 12123422 its reverse (22432121), we get a palindrome (34555543).

The spelling of 12123422 in words is "twelve million, one hundred twenty-three thousand, four hundred twenty-two".