12002221100122 has 8 divisors (see below), whose sum is σ = 19639998163872. Its totient is φ = 5455555045500.

The previous prime is 12002221100081. The next prime is 12002221100131. The reversal of 12002221100122 is 22100112220021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12002221100122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12002221100096 and 12002221100105.

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 3 ways as a sum of consecutive naturals, for example, 272777752254 + ... + 272777752297.

It is an arithmetic number, because the mean of its divisors is an integer number (2454999770484).

Almost surely, 2^{12002221100122} is an apocalyptic number.

12002221100122 is a deficient number, since it is larger than the sum of its proper divisors (7637777063750).

12002221100122 is a wasteful number, since it uses less digits than its factorization.

12002221100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545555504564.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12002221100122 its reverse (22100112220021), we get a palindrome (34102333320143).

The spelling of 12002221100122 in words is "twelve trillion, two billion, two hundred twenty-one million, one hundred thousand, one hundred twenty-two".