12112201122202 has 4 divisors (see below), whose sum is σ = 18168301683306. Its totient is φ = 6056100561100.

The previous prime is 12112201122187. The next prime is 12112201122211. The reversal of 12112201122202 is 20222110221121.

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., 11714936898681 + 397264223521 = 3422709^2 + 630289^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12112201122202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3028050280549 + ... + 3028050280552.

Almost surely, 2^{12112201122202} is an apocalyptic number.

12112201122202 is a deficient number, since it is larger than the sum of its proper divisors (6056100561104).

12112201122202 is an equidigital number, since it uses as much as digits as its factorization.

12112201122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056100561103.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12112201122202 its reverse (20222110221121), we get a palindrome (32334311343323).

The spelling of 12112201122202 in words is "twelve trillion, one hundred twelve billion, two hundred one million, one hundred twenty-two thousand, two hundred two".