12130312311 has 36 divisors (see below), whose sum is σ = 20044685752. Its totient is φ = 7025681664.

The previous prime is 12130312261. The next prime is 12130312331. The reversal of 12130312311 is 11321303121.

12130312311 is a `hidden beast` number, since 12 + 1 + 30 + 312 + 311 = 666.

12130312311 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 12130312311 - 2⁶ = 12130312247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130312331) 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 35 ways as a sum of consecutive naturals, for example, 145561 + ... + 213186.

Almost surely, 2^12130312311 is an apocalyptic number.

12130312311 is a deficient number, since it is larger than the sum of its proper divisors (7914373441).

12130312311 is a wasteful number, since it uses less digits than its factorization.

12130312311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358800 (or 358780 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12130312311 its reverse (11321303121), we get a palindrome (23451615432).

The spelling of 12130312311 in words is "twelve billion, one hundred thirty million, three hundred twelve thousand, three hundred eleven".