12123322 has 4 divisors (see below), whose sum is σ = 18184986. Its totient is φ = 6061660.

The previous prime is 12123317. The next prime is 12123341. The reversal of 12123322 is 22332121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12103441 + 19881 = 3479^2 + 141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12123296 and 12123305.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030829 + ... + 3030832.

Almost surely, 2^12123322 is an apocalyptic number.

12123322 is a deficient number, since it is larger than the sum of its proper divisors (6061664).

12123322 is an equidigital number, since it uses as much as digits as its factorization.

12123322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061663.

The product of its digits is 144, while the sum is 16.

The square root of 12123322 is about 3481.8561142012. The cubic root of 12123322 is about 229.7244463096.

Adding to 12123322 its reverse (22332121), we get a palindrome (34455443).

The spelling of 12123322 in words is "twelve million, one hundred twenty-three thousand, three hundred twenty-two".