12203230112321 has 12 divisors (see below), whose sum is σ = 12407320352700. Its totient is φ = 12002444072640.

The previous prime is 12203230112299. The next prime is 12203230112323. The reversal of 12203230112321 is 12321103230221.

It can be written as a sum of positive squares in 6 ways, for example, as 581703663025 + 11621526449296 = 762695^2 + 3409036^2 .

It is not a de Polignac number, because 12203230112321 - 2¹⁰ = 12203230111297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12203230112323) 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 11 ways as a sum of consecutive naturals, for example, 66845915 + ... + 67028223.

It is an arithmetic number, because the mean of its divisors is an integer number (1033943362725).

Almost surely, 2^{12203230112321} is an apocalyptic number.

It is an amenable number.

12203230112321 is a deficient number, since it is larger than the sum of its proper divisors (204090240379).

12203230112321 is an equidigital number, since it uses as much as digits as its factorization.

12203230112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200420 (or 200359 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12203230112321 its reverse (12321103230221), we get a palindrome (24524333342542).

The spelling of 12203230112321 in words is "twelve trillion, two hundred three billion, two hundred thirty million, one hundred twelve thousand, three hundred twenty-one".