12131024211 has 20 divisors (see below), whose sum is σ = 18138305592. Its totient is φ = 8079918048.

The previous prime is 12131024179. The next prime is 12131024219. The reversal of 12131024211 is 11242013121.

12131024211 is a `hidden beast` number, since 121 + 310 + 24 + 211 = 666.

12131024211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12131024211 - 2⁵ = 12131024179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12131024219) 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 19 ways as a sum of consecutive naturals, for example, 20596 + ... + 157118.

Almost surely, 2^12131024211 is an apocalyptic number.

12131024211 is a deficient number, since it is larger than the sum of its proper divisors (6007281381).

12131024211 is a wasteful number, since it uses less digits than its factorization.

12131024211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137632 (or 137623 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12131024211 its reverse (11242013121), we get a palindrome (23373037332).

The spelling of 12131024211 in words is "twelve billion, one hundred thirty-one million, twenty-four thousand, two hundred eleven".