12202302012221 has 2 divisors, whose sum is σ = 12202302012222. Its totient is φ = 12202302012220.

The previous prime is 12202302012193. The next prime is 12202302012283. The reversal of 12202302012221 is 12221020320221.

12202302012221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11144981328100 + 1057320684121 = 3338410^2 + 1028261^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202302012221 - 2¹⁰ = 12202302011197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12202302012193 and 12202302012202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202302012421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101151006110 + 6101151006111.

It is an arithmetic number, because the mean of its divisors is an integer number (6101151006111).

Almost surely, 2^{12202302012221} is an apocalyptic number.

It is an amenable number.

12202302012221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202302012221 is an equidigital number, since it uses as much as digits as its factorization.

12202302012221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12202302012221 its reverse (12221020320221), we get a palindrome (24423322332442).

The spelling of 12202302012221 in words is "twelve trillion, two hundred two billion, three hundred two million, twelve thousand, two hundred twenty-one".