12220122 has 8 divisors (see below), whose sum is σ = 24440256. Its totient is φ = 4073372.

The previous prime is 12220111. The next prime is 12220129. The reversal of 12220122 is 22102221.

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

12220122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12220098 and 12220107.

It is not an unprimeable number, because it can be changed into a prime (12220129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018338 + ... + 1018349.

It is an arithmetic number, because the mean of its divisors is an integer number (3055032).

Almost surely, 2^12220122 is an apocalyptic number.

12220122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12220122 is a wasteful number, since it uses less digits than its factorization.

12220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036692.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12220122 is about 3495.7291084980. The cubic root of 12220122 is about 230.3342462224.

Adding to 12220122 its reverse (22102221), we get a palindrome (34322343).

The spelling of 12220122 in words is "twelve million, two hundred twenty thousand, one hundred twenty-two".