12031221222203 has 2 divisors, whose sum is σ = 12031221222204. Its totient is φ = 12031221222202.

The previous prime is 12031221222197. The next prime is 12031221222227. The reversal of 12031221222203 is 30222212213021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12031221222203 - 2²⁸ = 12030952786747 is a prime.

It is not a weakly prime, because it can be changed into another prime (12031221222103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015610611101 + 6015610611102.

It is an arithmetic number, because the mean of its divisors is an integer number (6015610611102).

Almost surely, 2^{12031221222203} is an apocalyptic number.

12031221222203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031221222203 is an equidigital number, since it uses as much as digits as its factorization.

12031221222203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12031221222203 its reverse (30222212213021), we get a palindrome (42253433435224).

The spelling of 12031221222203 in words is "twelve trillion, thirty-one billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred three".