12112230021113 has 4 divisors (see below), whose sum is σ = 12824714140020. Its totient is φ = 11399745902208.

The previous prime is 12112230021019. The next prime is 12112230021121. The reversal of 12112230021113 is 31112003221121.

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 10096048695184 + 2016181325929 = 3177428^2 + 1419923^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112230021113 - 2²⁶ = 12112162912249 is a prime.

It is a super-2 number, since 2×12112230021113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112230021173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356242059428 + ... + 356242059461.

It is an arithmetic number, because the mean of its divisors is an integer number (3206178535005).

Almost surely, 2^{12112230021113} is an apocalyptic number.

It is an amenable number.

12112230021113 is a deficient number, since it is larger than the sum of its proper divisors (712484118907).

12112230021113 is an equidigital number, since it uses as much as digits as its factorization.

12112230021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712484118906.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12112230021113 its reverse (31112003221121), we get a palindrome (43224233242234).

The spelling of 12112230021113 in words is "twelve trillion, one hundred twelve billion, two hundred thirty million, twenty-one thousand, one hundred thirteen".