12220001222122 has 8 divisors (see below), whose sum is σ = 18355495579200. Its totient is φ = 6101502695724.

The previous prime is 12220001222111. The next prime is 12220001222183. The reversal of 12220001222122 is 22122210002221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12220001222122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4248955872 + ... + 4248958747.

It is an arithmetic number, because the mean of its divisors is an integer number (2294436947400).

Almost surely, 2^{12220001222122} is an apocalyptic number.

12220001222122 is a deficient number, since it is larger than the sum of its proper divisors (6135494357078).

12220001222122 is an equidigital number, since it uses as much as digits as its factorization.

12220001222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8497915340.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12220001222122 its reverse (22122210002221), we get a palindrome (34342211224343).

The spelling of 12220001222122 in words is "twelve trillion, two hundred twenty billion, one million, two hundred twenty-two thousand, one hundred twenty-two".