12130430311 has 4 divisors (see below), whose sum is σ = 12131621392. Its totient is φ = 12129239232.

The previous prime is 12130430309. The next prime is 12130430321. The reversal of 12130430311 is 11303403121.

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 12130430311 - 2¹ = 12130430309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130430321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580131 + ... + 600676.

It is an arithmetic number, because the mean of its divisors is an integer number (3032905348).

Almost surely, 2^12130430311 is an apocalyptic number.

12130430311 is a deficient number, since it is larger than the sum of its proper divisors (1191081).

12130430311 is a wasteful number, since it uses less digits than its factorization.

12130430311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191080.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12130430311 its reverse (11303403121), we get a palindrome (23433833432).

The spelling of 12130430311 in words is "twelve billion, one hundred thirty million, four hundred thirty thousand, three hundred eleven".