12110012122121 has 16 divisors (see below), whose sum is σ = 12990799794240. Its totient is φ = 11253663046080.

The previous prime is 12110012122099. The next prime is 12110012122123. The reversal of 12110012122121 is 12122121001121.

It is a cyclic number.

It is not a de Polignac number, because 12110012122121 - 2⁶ = 12110012122057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12110012122121.

It is not an unprimeable number, because it can be changed into a prime (12110012122123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3173111 + ... + 5855651.

It is an arithmetic number, because the mean of its divisors is an integer number (811924987140).

Almost surely, 2^{12110012122121} is an apocalyptic number.

It is an amenable number.

12110012122121 is a deficient number, since it is larger than the sum of its proper divisors (880787672119).

12110012122121 is a wasteful number, since it uses less digits than its factorization.

12110012122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687096.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12110012122121 its reverse (12122121001121), we get a palindrome (24232133123242).

The spelling of 12110012122121 in words is "twelve trillion, one hundred ten billion, twelve million, one hundred twenty-two thousand, one hundred twenty-one".