12209122 has 8 divisors (see below), whose sum is σ = 18347472. Its totient is φ = 6093300.

The previous prime is 12209101. The next prime is 12209137. The reversal of 12209122 is 22190221.

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 12209122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4204 + ... + 6487.

It is an arithmetic number, because the mean of its divisors is an integer number (2293434).

Almost surely, 2^12209122 is an apocalyptic number.

12209122 is a deficient number, since it is larger than the sum of its proper divisors (6138350).

12209122 is a wasteful number, since it uses less digits than its factorization.

12209122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11264.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12209122 is about 3494.1554058170. The cubic root of 12209122 is about 230.2651133249.

Adding to 12209122 its reverse (22190221), we get a palindrome (34399343).

The spelling of 12209122 in words is "twelve million, two hundred nine thousand, one hundred twenty-two".