12002202000221 has 2 divisors, whose sum is σ = 12002202000222. Its totient is φ = 12002202000220.

The previous prime is 12002202000203. The next prime is 12002202000227. The reversal of 12002202000221 is 12200020220021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11828020977721 + 174181022500 = 3439189^2 + 417350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12002202000221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12002202000196 and 12002202000205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002202000227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001101000110 + 6001101000111.

It is an arithmetic number, because the mean of its divisors is an integer number (6001101000111).

Almost surely, 2^{12002202000221} is an apocalyptic number.

It is an amenable number.

12002202000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002202000221 is an equidigital number, since it uses as much as digits as its factorization.

12002202000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12002202000221 its reverse (12200020220021), we get a palindrome (24202222220242).

The spelling of 12002202000221 in words is "twelve trillion, two billion, two hundred two million, two hundred twenty-one", and thus it is an aban number.