12012130020311 has 4 divisors (see below), whose sum is σ = 12012148961232. Its totient is φ = 12012111079392.

The previous prime is 12012130020271. The next prime is 12012130020323. The reversal of 12012130020311 is 11302003121021.

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 12012130020311 - 2¹⁰ = 12012130019287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12012130020311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012130020361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8484995 + ... + 9798948.

It is an arithmetic number, because the mean of its divisors is an integer number (3003037240308).

Almost surely, 2^{12012130020311} is an apocalyptic number.

12012130020311 is a deficient number, since it is larger than the sum of its proper divisors (18940921).

12012130020311 is an equidigital number, since it uses as much as digits as its factorization.

12012130020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18940920.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12012130020311 its reverse (11302003121021), we get a palindrome (23314133141332).

The spelling of 12012130020311 in words is "twelve trillion, twelve billion, one hundred thirty million, twenty thousand, three hundred eleven".