12130321311 has 12 divisors (see below), whose sum is σ = 17852171688. Its totient is φ = 7934297904.

The previous prime is 12130321303. The next prime is 12130321319. The reversal of 12130321311 is 11312303121.

12130321311 is a `hidden beast` number, since 1 + 2 + 1 + 30 + 321 + 311 = 666.

It is an interprime number because it is at equal distance from previous prime (12130321303) and next prime (12130321319).

It is not a de Polignac number, because 12130321311 - 2³ = 12130321303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130321319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12714745 + ... + 12715698.

It is an arithmetic number, because the mean of its divisors is an integer number (1487680974).

Almost surely, 2^12130321311 is an apocalyptic number.

12130321311 is a deficient number, since it is larger than the sum of its proper divisors (5721850377).

12130321311 is a wasteful number, since it uses less digits than its factorization.

12130321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25430502 (or 25430499 counting only the distinct ones).

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

Adding to 12130321311 its reverse (11312303121), we get a palindrome (23442624432).

The spelling of 12130321311 in words is "twelve billion, one hundred thirty million, three hundred twenty-one thousand, three hundred eleven".