12011313023221 has 8 divisors (see below), whose sum is σ = 12104095538304. Its totient is φ = 11918547070560.

The previous prime is 12011313023189. The next prime is 12011313023261. The reversal of 12011313023221 is 12232031311021.

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

It is a cyclic number.

It is not a de Polignac number, because 12011313023221 - 2⁵ = 12011313023189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011313023192 and 12011313023201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011313023261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2682600 + ... + 5587393.

It is an arithmetic number, because the mean of its divisors is an integer number (1513011942288).

Almost surely, 2^{12011313023221} is an apocalyptic number.

It is an amenable number.

12011313023221 is a deficient number, since it is larger than the sum of its proper divisors (92782515083).

12011313023221 is a wasteful number, since it uses less digits than its factorization.

12011313023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281211.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12011313023221 its reverse (12232031311021), we get a palindrome (24243344334242).

The spelling of 12011313023221 in words is "twelve trillion, eleven billion, three hundred thirteen million, twenty-three thousand, two hundred twenty-one".