12131130211 has 8 divisors (see below), whose sum is σ = 12551391104. Its totient is φ = 11712677760.

The previous prime is 12131130139. The next prime is 12131130217. The reversal of 12131130211 is 11203113121.

It is a happy number.

12131130211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12131130211 - 2¹⁹ = 12130605923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12131130217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438456 + ... + 465301.

It is an arithmetic number, because the mean of its divisors is an integer number (1568923888).

Almost surely, 2^12131130211 is an apocalyptic number.

12131130211 is a deficient number, since it is larger than the sum of its proper divisors (420260893).

12131130211 is an equidigital number, since it uses as much as digits as its factorization.

12131130211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904221.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12131130211 its reverse (11203113121), we get a palindrome (23334243332).

The spelling of 12131130211 in words is "twelve billion, one hundred thirty-one million, one hundred thirty thousand, two hundred eleven".