12000243311 has 8 divisors (see below), whose sum is σ = 13718023584. Its totient is φ = 10283328000.

The previous prime is 12000243293. The next prime is 12000243317. The reversal of 12000243311 is 11334200021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000243311 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 12000243311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000243317) 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 7 ways as a sum of consecutive naturals, for example, 186230 + ... + 242243.

It is an arithmetic number, because the mean of its divisors is an integer number (1714752948).

Almost surely, 2^12000243311 is an apocalyptic number.

12000243311 is a deficient number, since it is larger than the sum of its proper divisors (1717780273).

12000243311 is an equidigital number, since it uses as much as digits as its factorization.

12000243311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432481.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12000243311 its reverse (11334200021), we get a palindrome (23334443332).

The spelling of 12000243311 in words is "twelve billion, two hundred forty-three thousand, three hundred eleven".