12112120202201 has 4 divisors (see below), whose sum is σ = 12824597861172. Its totient is φ = 11399642543232.

The previous prime is 12112120202153. The next prime is 12112120202311. The reversal of 12112120202201 is 10220202121121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7759372369225 + 4352747832976 = 2785565^2 + 2086324^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112120202201 - 2³⁸ = 11837242295257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 712477658953 = 12112120202201 / (1 + 2 + 1 + 1 + 2 + 1 + 2 + 0 + 2 + 0 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12112120202201.

It is not an unprimeable number, because it can be changed into a prime (12112120204201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356238829460 + ... + 356238829493.

It is an arithmetic number, because the mean of its divisors is an integer number (3206149465293).

Almost surely, 2^{12112120202201} is an apocalyptic number.

It is an amenable number.

12112120202201 is a deficient number, since it is larger than the sum of its proper divisors (712477658971).

12112120202201 is an equidigital number, since it uses as much as digits as its factorization.

12112120202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712477658970.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12112120202201 its reverse (10220202121121), we get a palindrome (22332322323322).

The spelling of 12112120202201 in words is "twelve trillion, one hundred twelve billion, one hundred twenty million, two hundred two thousand, two hundred one".