12321122 has 16 divisors (see below), whose sum is σ = 20544192. Its totient is φ = 5494320.

The previous prime is 12321121. The next prime is 12321131. The reversal of 12321122 is 22112321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12321097 and 12321106.

It is not an unprimeable number, because it can be changed into a prime (12321121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4118 + ... + 6449.

It is an arithmetic number, because the mean of its divisors is an integer number (1284012).

Almost surely, 2^12321122 is an apocalyptic number.

12321122 is a deficient number, since it is larger than the sum of its proper divisors (8223070).

12321122 is a wasteful number, since it uses less digits than its factorization.

12321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10633.

The product of its digits is 48, while the sum is 14.

The square root of 12321122 is about 3510.1455810265. The cubic root of 12321122 is about 230.9670811333.

Adding to 12321122 its reverse (22112321), we get a palindrome (34433443).

The spelling of 12321122 in words is "twelve million, three hundred twenty-one thousand, one hundred twenty-two".