12200001122222 has 16 divisors (see below), whose sum is σ = 18310472621712. Its totient is φ = 6096510557760.

The previous prime is 12200001122189. The next prime is 12200001122249. The reversal of 12200001122222 is 22222110000221.

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 12200001122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95411972 + ... + 95539752.

It is an arithmetic number, because the mean of its divisors is an integer number (1144404538857).

Almost surely, 2^{12200001122222} is an apocalyptic number.

12200001122222 is a deficient number, since it is larger than the sum of its proper divisors (6110471499490).

12200001122222 is a wasteful number, since it uses less digits than its factorization.

12200001122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154723.

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

Adding to 12200001122222 its reverse (22222110000221), we get a palindrome (34422111122443).

The spelling of 12200001122222 in words is "twelve trillion, two hundred billion, one million, one hundred twenty-two thousand, two hundred twenty-two".