12012111200122 has 24 divisors (see below), whose sum is σ = 19869604257888. Its totient is φ = 5442265330920.

The previous prime is 12012111200081. The next prime is 12012111200191. The reversal of 12012111200122 is 22100211121021.

It is a junction number, because it is equal to n+sod(n) for n = 12012111200096 and 12012111200105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80767438 + ... + 80916025.

It is an arithmetic number, because the mean of its divisors is an integer number (827900177412).

Almost surely, 2^{12012111200122} is an apocalyptic number.

12012111200122 is a deficient number, since it is larger than the sum of its proper divisors (7857493057766).

12012111200122 is a wasteful number, since it uses less digits than its factorization.

12012111200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161683794 (or 161683783 counting only the distinct ones).

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

Adding to 12012111200122 its reverse (22100211121021), we get a palindrome (34112322321143).

The spelling of 12012111200122 in words is "twelve trillion, twelve billion, one hundred eleven million, two hundred thousand, one hundred twenty-two".