12011322112321 has 16 divisors (see below), whose sum is σ = 14228537112576. Its totient is φ = 9925973923536.

The previous prime is 12011322112271. The next prime is 12011322112327. The reversal of 12011322112321 is 12321122311021.

It is a happy number.

12011322112321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12011322112321 - 2⁷ = 12011322112193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011322112292 and 12011322112301.

It is not an unprimeable number, because it can be changed into a prime (12011322112327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272430031 + ... + 272474116.

It is an arithmetic number, because the mean of its divisors is an integer number (889283569536).

Almost surely, 2^{12011322112321} is an apocalyptic number.

It is an amenable number.

12011322112321 is a deficient number, since it is larger than the sum of its proper divisors (2217215000255).

12011322112321 is an equidigital number, since it uses as much as digits as its factorization.

12011322112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544904268.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12011322112321 its reverse (12321122311021), we get a palindrome (24332444423342).

The spelling of 12011322112321 in words is "twelve trillion, eleven billion, three hundred twenty-two million, one hundred twelve thousand, three hundred twenty-one".