12122116 has 24 divisors (see below), whose sum is σ = 22659840. Its totient is φ = 5661600.

The previous prime is 12122111. The next prime is 12122119. The reversal of 12122116 is 61122121.

It is a self number, because there is not a number n which added to its sum of digits gives 12122116.

It is not an unprimeable number, because it can be changed into a prime (12122111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1911 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (944160).

Almost surely, 2^12122116 is an apocalyptic number.

It is an amenable number.

12122116 is a deficient number, since it is larger than the sum of its proper divisors (10537724).

12122116 is a wasteful number, since it uses less digits than its factorization.

12122116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435 (or 3433 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 12122116 is about 3481.6829264021. The cubic root of 12122116 is about 229.7168285717.

Adding to 12122116 its reverse (61122121), we get a palindrome (73244237).

The spelling of 12122116 in words is "twelve million, one hundred twenty-two thousand, one hundred sixteen".