12011100222122 has 16 divisors (see below), whose sum is σ = 18244995603840. Its totient is φ = 5929437407712.

The previous prime is 12011100222109. The next prime is 12011100222131. The reversal of 12011100222122 is 22122200111021.

It is a self number, because there is not a number n which added to its sum of digits gives 12011100222122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10105718 + ... + 11231550.

It is an arithmetic number, because the mean of its divisors is an integer number (1140312225240).

Almost surely, 2^{12011100222122} is an apocalyptic number.

12011100222122 is a deficient number, since it is larger than the sum of its proper divisors (6233895381718).

12011100222122 is a wasteful number, since it uses less digits than its factorization.

12011100222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193437.

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

Adding to 12011100222122 its reverse (22122200111021), we get a palindrome (34133300333143).

The spelling of 12011100222122 in words is "twelve trillion, eleven billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-two".