12122214 has 16 divisors (see below), whose sum is σ = 26109552. Its totient is φ = 3729888.

The previous prime is 12122191. The next prime is 12122221. The reversal of 12122214 is 41222121.

It is a junction number, because it is equal to n+sod(n) for n = 12122193 and 12122202.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 77629 + ... + 77784.

It is an arithmetic number, because the mean of its divisors is an integer number (1631847).

Almost surely, 2^12122214 is an apocalyptic number.

12122214 is an abundant number, since it is smaller than the sum of its proper divisors (13987338).

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

12122214 is a wasteful number, since it uses less digits than its factorization.

12122214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155431.

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

The square root of 12122214 is about 3481.6970000274. The cubic root of 12122214 is about 229.7174476107.

Adding to 12122214 its reverse (41222121), we get a palindrome (53344335).

The spelling of 12122214 in words is "twelve million, one hundred twenty-two thousand, two hundred fourteen".