12131130111 has 8 divisors (see below), whose sum is σ = 16379585280. Its totient is φ = 7985047512.

The previous prime is 12131130031. The next prime is 12131130131. The reversal of 12131130111 is 11103113121.

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

It is not a de Polignac number, because 12131130111 - 2¹¹ = 12131128063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131130131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25592865 + ... + 25593338.

It is an arithmetic number, because the mean of its divisors is an integer number (2047448160).

Almost surely, 2^12131130111 is an apocalyptic number.

12131130111 is a deficient number, since it is larger than the sum of its proper divisors (4248455169).

12131130111 is an equidigital number, since it uses as much as digits as its factorization.

12131130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51186285.

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

Adding to 12131130111 its reverse (11103113121), we get a palindrome (23234243232).

The spelling of 12131130111 in words is "twelve billion, one hundred thirty-one million, one hundred thirty thousand, one hundred eleven".