12122101100122 has 24 divisors (see below), whose sum is σ = 20071110862908. Its totient is φ = 5458356948480.

The previous prime is 12122101100099. The next prime is 12122101100189. The reversal of 12122101100122 is 22100110122121.

12122101100122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1161439445401 + 10960661654721 = 1077701^2 + 3310689^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12122101100096 and 12122101100105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138634063 + ... + 138721474.

Almost surely, 2^{12122101100122} is an apocalyptic number.

12122101100122 is a deficient number, since it is larger than the sum of its proper divisors (7949009762786).

12122101100122 is a wasteful number, since it uses less digits than its factorization.

12122101100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277355634 (or 277355593 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12122101100122 its reverse (22100110122121), we get a palindrome (34222211222243).

The spelling of 12122101100122 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, one hundred thousand, one hundred twenty-two".