12011242321 has 8 divisors (see below), whose sum is σ = 13497583680. Its totient is φ = 10605243792.

The previous prime is 12011242319. The next prime is 12011242381. The reversal of 12011242321 is 12324211021.

12011242321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12011242321 - 2¹ = 12011242319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011242381) 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 7 ways as a sum of consecutive naturals, for example, 20085391 + ... + 20085988.

It is an arithmetic number, because the mean of its divisors is an integer number (1687197960).

Almost surely, 2^12011242321 is an apocalyptic number.

It is an amenable number.

12011242321 is a deficient number, since it is larger than the sum of its proper divisors (1486341359).

12011242321 is a wasteful number, since it uses less digits than its factorization.

12011242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40171415.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12011242321 its reverse (12324211021), we get a palindrome (24335453342).

The spelling of 12011242321 in words is "twelve billion, eleven million, two hundred forty-two thousand, three hundred twenty-one".