12001322220127 has 2 divisors, whose sum is σ = 12001322220128. Its totient is φ = 12001322220126.

The previous prime is 12001322220061. The next prime is 12001322220133. The reversal of 12001322220127 is 72102222310021.

It is a strong prime.

It is an emirp because it is prime and its reverse (72102222310021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001322220127 is a prime.

It is a super-2 number, since 2×12001322220127² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001322220227) 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, 6000661110063 + 6000661110064.

It is an arithmetic number, because the mean of its divisors is an integer number (6000661110064).

Almost surely, 2^{12001322220127} is an apocalyptic number.

12001322220127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001322220127 is an equidigital number, since it uses as much as digits as its factorization.

12001322220127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 12001322220127 its reverse (72102222310021), we get a palindrome (84103544530148).

The spelling of 12001322220127 in words is "twelve trillion, one billion, three hundred twenty-two million, two hundred twenty thousand, one hundred twenty-seven".