12122102122 has 48 divisors (see below), whose sum is σ = 20073900672. Its totient is φ = 5457405600.

The previous prime is 12122102077. The next prime is 12122102147. The reversal of 12122102122 is 22120122121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12122102096 and 12122102105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13665963 + ... + 13666849.

It is an arithmetic number, because the mean of its divisors is an integer number (418206264).

Almost surely, 2^12122102122 is an apocalyptic number.

12122102122 is a deficient number, since it is larger than the sum of its proper divisors (7951798550).

12122102122 is a wasteful number, since it uses less digits than its factorization.

12122102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122102122 its reverse (22120122121), we get a palindrome (34242224243).

It can be divided in two parts, 12122 and 102122, that added together give a square (114244 = 338²).

The spelling of 12122102122 in words is "twelve billion, one hundred twenty-two million, one hundred two thousand, one hundred twenty-two".