12303222011221 has 16 divisors (see below), whose sum is σ = 12365821480320. Its totient is φ = 12240823501120.

The previous prime is 12303222011207. The next prime is 12303222011231. The reversal of 12303222011221 is 12211022230321.

It is a cyclic number.

It is not a de Polignac number, because 12303222011221 - 2⁴¹ = 10104198755669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12303222011192 and 12303222011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303222011231) 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, 257134326 + ... + 257182168.

It is an arithmetic number, because the mean of its divisors is an integer number (772863842520).

Almost surely, 2^{12303222011221} is an apocalyptic number.

It is an amenable number.

12303222011221 is a deficient number, since it is larger than the sum of its proper divisors (62599469099).

12303222011221 is a wasteful number, since it uses less digits than its factorization.

12303222011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49916.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12303222011221 its reverse (12211022230321), we get a palindrome (24514244241542).

The spelling of 12303222011221 in words is "twelve trillion, three hundred three billion, two hundred twenty-two million, eleven thousand, two hundred twenty-one".