12130131111 has 32 divisors (see below), whose sum is σ = 18897123840. Its totient is φ = 6778100736.

The previous prime is 12130131071. The next prime is 12130131113. The reversal of 12130131111 is 11113103121.

It is not a de Polignac number, because 12130131111 - 2⁶ = 12130131047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130131113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161295 + ... + 224223.

It is an arithmetic number, because the mean of its divisors is an integer number (590535120).

Almost surely, 2^12130131111 is an apocalyptic number.

12130131111 is a deficient number, since it is larger than the sum of its proper divisors (6766992729).

12130131111 is a wasteful number, since it uses less digits than its factorization.

12130131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63143.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 12130131111 its reverse (11113103121), we get a palindrome (23243234232).

The spelling of 12130131111 in words is "twelve billion, one hundred thirty million, one hundred thirty-one thousand, one hundred eleven".