12201113 has 4 divisors (see below), whose sum is σ = 12217908. Its totient is φ = 12184320.

The previous prime is 12201089. The next prime is 12201131. The reversal of 12201113 is 31110221.

12201113 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, and also an emirpimes, since its reverse is a distinct semiprime: 31110221 = 17 ⋅1830013.

It can be written as a sum of positive squares in 2 ways, for example, as 34969 + 12166144 = 187^2 + 3488^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201113 - 2⁸ = 12200857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12201094 and 12201103.

It is not an unprimeable number, because it can be changed into a prime (12201143) 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, 7256 + ... + 8777.

It is an arithmetic number, because the mean of its divisors is an integer number (3054477).

Almost surely, 2^12201113 is an apocalyptic number.

It is an amenable number.

12201113 is a deficient number, since it is larger than the sum of its proper divisors (16795).

12201113 is an equidigital number, since it uses as much as digits as its factorization.

12201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16794.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12201113 is about 3493.0091611675. The cubic root of 12201113 is about 230.2147521634.

Adding to 12201113 its reverse (31110221), we get a palindrome (43311334).

The spelling of 12201113 in words is "twelve million, two hundred one thousand, one hundred thirteen".