12211422066731 has 2 divisors, whose sum is σ = 12211422066732. Its totient is φ = 12211422066730.

The previous prime is 12211422066721. The next prime is 12211422066803. The reversal of 12211422066731 is 13766022411221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12211422066731 - 2⁶ = 12211422066667 is a prime.

It is a super-2 number, since 2×12211422066731² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12211422066721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105711033365 + 6105711033366.

It is an arithmetic number, because the mean of its divisors is an integer number (6105711033366).

Almost surely, 2^{12211422066731} is an apocalyptic number.

12211422066731 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211422066731 is an equidigital number, since it uses as much as digits as its factorization.

12211422066731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

Adding to 12211422066731 its reverse (13766022411221), we get a palindrome (25977444477952).

The spelling of 12211422066731 in words is "twelve trillion, two hundred eleven billion, four hundred twenty-two million, sixty-six thousand, seven hundred thirty-one".