12100222110122 has 32 divisors (see below), whose sum is σ = 18386343738000. Its totient is φ = 5971918102528.

The previous prime is 12100222110101. The next prime is 12100222110131. The reversal of 12100222110122 is 22101122200121.

It can be written as a sum of positive squares in 8 ways, for example, as 61827319801 + 12038394790321 = 248651^2 + 3469639^2 .

It is a super-2 number, since 2×12100222110122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12100222110122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75071954 + ... + 75232962.

Almost surely, 2^{12100222110122} is an apocalyptic number.

12100222110122 is a deficient number, since it is larger than the sum of its proper divisors (6286121627878).

12100222110122 is a wasteful number, since it uses less digits than its factorization.

12100222110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162490.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12100222110122 its reverse (22101122200121), we get a palindrome (34201344310243).

The spelling of 12100222110122 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, one hundred ten thousand, one hundred twenty-two".