12220244224277 has 2 divisors, whose sum is σ = 12220244224278. Its totient is φ = 12220244224276.

The previous prime is 12220244224109. The next prime is 12220244224313. The reversal of 12220244224277 is 77242244202221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7307079391921 + 4913164832356 = 2703161^2 + 2216566^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220244224277 - 2¹⁴ = 12220244207893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220244224477) 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, 6110122112138 + 6110122112139.

It is an arithmetic number, because the mean of its divisors is an integer number (6110122112139).

Almost surely, 2^{12220244224277} is an apocalyptic number.

It is an amenable number.

12220244224277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220244224277 is an equidigital number, since it uses as much as digits as its factorization.

12220244224277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 401408, while the sum is 41.

Adding to 12220244224277 its reverse (77242244202221), we get a palindrome (89462488426498).

The spelling of 12220244224277 in words is "twelve trillion, two hundred twenty billion, two hundred forty-four million, two hundred twenty-four thousand, two hundred seventy-seven".