12211001001223 has 2 divisors, whose sum is σ = 12211001001224. Its totient is φ = 12211001001222.

The previous prime is 12211001001187. The next prime is 12211001001239. The reversal of 12211001001223 is 32210010011221.

It is an a-pointer prime, because the next prime (12211001001239) can be obtained adding 12211001001223 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12211001001223 - 2¹⁷ = 12211000870151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12211001001197 and 12211001001206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211001061223) 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 as a sum of consecutive naturals, namely, 6105500500611 + 6105500500612.

It is an arithmetic number, because the mean of its divisors is an integer number (6105500500612).

Almost surely, 2^{12211001001223} is an apocalyptic number.

12211001001223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211001001223 is an equidigital number, since it uses as much as digits as its factorization.

12211001001223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12211001001223 its reverse (32210010011221), we get a palindrome (44421011012444).

The spelling of 12211001001223 in words is "twelve trillion, two hundred eleven billion, one million, one thousand, two hundred twenty-three".