12113011 has 4 divisors (see below), whose sum is σ = 12185712. Its totient is φ = 12040312.

The previous prime is 12112979. The next prime is 12113047. The reversal of 12113011 is 11031121.

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

It is a cyclic number.

It is not a de Polignac number, because 12113011 - 2⁵ = 12112979 is a prime.

It is a super-2 number, since 2×12113011² = 293450070972242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12116011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36100 + ... + 36433.

It is an arithmetic number, because the mean of its divisors is an integer number (3046428).

Almost surely, 2^12113011 is an apocalyptic number.

12113011 is a deficient number, since it is larger than the sum of its proper divisors (72701).

12113011 is an equidigital number, since it uses as much as digits as its factorization.

12113011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72700.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 12113011 is about 3480.3751234601. The cubic root of 12113011 is about 229.6593002324.

Adding to 12113011 its reverse (11031121), we get a palindrome (23144132).

The spelling of 12113011 in words is "twelve million, one hundred thirteen thousand, eleven".