12003112202321 has 2 divisors, whose sum is σ = 12003112202322. Its totient is φ = 12003112202320.

The previous prime is 12003112202309. The next prime is 12003112202413. The reversal of 12003112202321 is 12320221130021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6420973553296 + 5582138649025 = 2533964^2 + 2362655^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003112202321 - 2³⁸ = 11728234295377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12003112202293 and 12003112202302.

It is not a weakly prime, because it can be changed into another prime (12003112252321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001556101160 + 6001556101161.

It is an arithmetic number, because the mean of its divisors is an integer number (6001556101161).

Almost surely, 2^{12003112202321} is an apocalyptic number.

It is an amenable number.

12003112202321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003112202321 is an equidigital number, since it uses as much as digits as its factorization.

12003112202321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12003112202321 its reverse (12320221130021), we get a palindrome (24323333332342).

The spelling of 12003112202321 in words is "twelve trillion, three billion, one hundred twelve million, two hundred two thousand, three hundred twenty-one".