12421122 has 32 divisors (see below), whose sum is σ = 29162112. Its totient is φ = 3452544.

The previous prime is 12421121. The next prime is 12421163. The reversal of 12421122 is 22112421.

It is not an unprimeable number, because it can be changed into a prime (12421121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2443 + ... + 5550.

It is an arithmetic number, because the mean of its divisors is an integer number (911316).

Almost surely, 2^12421122 is an apocalyptic number.

12421122 is an abundant number, since it is smaller than the sum of its proper divisors (16740990).

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

12421122 is a wasteful number, since it uses less digits than its factorization.

12421122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042.

The product of its digits is 64, while the sum is 15.

The square root of 12421122 is about 3524.3612187175. The cubic root of 12421122 is about 231.5902522736.

Adding to 12421122 its reverse (22112421), we get a palindrome (34533543).

The spelling of 12421122 in words is "twelve million, four hundred twenty-one thousand, one hundred twenty-two".