12221020200049 has 2 divisors, whose sum is σ = 12221020200050. Its totient is φ = 12221020200048.

The previous prime is 12221020200013. The next prime is 12221020200079. The reversal of 12221020200049 is 94000202012221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10072098753649 + 2148921446400 = 3173657^2 + 1465920^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221020200049 - 2⁹ = 12221020199537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12221020199996 and 12221020200032.

It is not a weakly prime, because it can be changed into another prime (12221020200079) 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, 6110510100024 + 6110510100025.

It is an arithmetic number, because the mean of its divisors is an integer number (6110510100025).

Almost surely, 2^{12221020200049} is an apocalyptic number.

It is an amenable number.

12221020200049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221020200049 is an equidigital number, since it uses as much as digits as its factorization.

12221020200049 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 25.

The spelling of 12221020200049 in words is "twelve trillion, two hundred twenty-one billion, twenty million, two hundred thousand, forty-nine".