12222201220202 has 4 divisors (see below), whose sum is σ = 18333301830306. Its totient is φ = 6111100610100.

The previous prime is 12222201220171. The next prime is 12222201220223. The reversal of 12222201220202 is 20202210222221.

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

It can be written as a sum of positive squares in only one way, i.e., 10142753583361 + 2079447636841 = 3184769^2 + 1442029^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055550305049 + ... + 3055550305052.

Almost surely, 2^{12222201220202} is an apocalyptic number.

12222201220202 is a deficient number, since it is larger than the sum of its proper divisors (6111100610104).

12222201220202 is an equidigital number, since it uses as much as digits as its factorization.

12222201220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111100610103.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12222201220202 its reverse (20202210222221), we get a palindrome (32424411442423).

The spelling of 12222201220202 in words is "twelve trillion, two hundred twenty-two billion, two hundred one million, two hundred twenty thousand, two hundred two".