12122 has 16 divisors (see below), whose sum is σ = 21600. Its totient is φ = 5040.
The previous prime is 12119. The next prime is 12143. The reversal of 12122 is 22121.
It is a nude number because it is divisible by every one of its digits.
It is a plaindrome in base 14.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404 + ... + 432.
It is an arithmetic number, because the mean of its divisors is an integer number (1350).
212122 is an apocalyptic number.
12122 is a deficient number, since it is larger than the sum of its proper divisors (9478).
12122 is a wasteful number, since it uses less digits than its factorization.
12122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61.
The product of its digits is 8, while the sum is 8.
The square root of 12122 is about 110.0999545867. The cubic root of 12122 is about 22.9716095827.
Adding to 12122 its reverse (22121), we get a palindrome (34243).
Subtracting 12122 from its reverse (22121), we obtain a palindrome (9999).
It can be divided in two parts, 121 and 22, that multiplied together give a palindrome (2662).
The spelling of 12122 in words is "twelve thousand, one hundred twenty-two", and thus it is an iban number.
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