12112122202013 has 4 divisors (see below), whose sum is σ = 12824599978620. Its totient is φ = 11399644425408.

The previous prime is 12112122201953. The next prime is 12112122202039. The reversal of 12112122202013 is 31020222121121.

12112122202013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3225838707844 + 8886283494169 = 1796062^2 + 2980987^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112122202013 - 2¹⁴ = 12112122185629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112122232013) 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, 356238888278 + ... + 356238888311.

It is an arithmetic number, because the mean of its divisors is an integer number (3206149994655).

Almost surely, 2^{12112122202013} is an apocalyptic number.

It is an amenable number.

12112122202013 is a deficient number, since it is larger than the sum of its proper divisors (712477776607).

12112122202013 is an equidigital number, since it uses as much as digits as its factorization.

12112122202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712477776606.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12112122202013 its reverse (31020222121121), we get a palindrome (43132344323134).

The spelling of 12112122202013 in words is "twelve trillion, one hundred twelve billion, one hundred twenty-two million, two hundred two thousand, thirteen".