12212200100222 has 4 divisors (see below), whose sum is σ = 18318300150336. Its totient is φ = 6106100050110.

The previous prime is 12212200100183. The next prime is 12212200100279. The reversal of 12212200100222 is 22200100221221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12212200100222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053050025054 + ... + 3053050025057.

It is an arithmetic number, because the mean of its divisors is an integer number (4579575037584).

Almost surely, 2^{12212200100222} is an apocalyptic number.

12212200100222 is a deficient number, since it is larger than the sum of its proper divisors (6106100050114).

12212200100222 is an equidigital number, since it uses as much as digits as its factorization.

12212200100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106100050113.

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

Adding to 12212200100222 its reverse (22200100221221), we get a palindrome (34412300321443).

The spelling of 12212200100222 in words is "twelve trillion, two hundred twelve billion, two hundred million, one hundred thousand, two hundred twenty-two".