12002221002122 has 32 divisors (see below), whose sum is σ = 19843775168448. Its totient is φ = 5409384011136.

The previous prime is 12002221002119. The next prime is 12002221002131. The reversal of 12002221002122 is 22120012220021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12002221002122.

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 15 ways as a sum of consecutive naturals, for example, 3478598 + ... + 6008750.

It is an arithmetic number, because the mean of its divisors is an integer number (620117974014).

Almost surely, 2^{12002221002122} is an apocalyptic number.

12002221002122 is a deficient number, since it is larger than the sum of its proper divisors (7841554166326).

12002221002122 is a wasteful number, since it uses less digits than its factorization.

12002221002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534454.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12002221002122 its reverse (22120012220021), we get a palindrome (34122233222143).

The spelling of 12002221002122 in words is "twelve trillion, two billion, two hundred twenty-one million, two thousand, one hundred twenty-two".