12202001210221 has 2 divisors, whose sum is σ = 12202001210222. Its totient is φ = 12202001210220.

The previous prime is 12202001210123. The next prime is 12202001210327. The reversal of 12202001210221 is 12201210020221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11457283989321 + 744717220900 = 3384861^2 + 862970^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202001210221 - 2¹⁹ = 12202000685933 is a prime.

It is a super-3 number, since 3×12202001210221³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12202001210195 and 12202001210204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202001210521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101000605110 + 6101000605111.

It is an arithmetic number, because the mean of its divisors is an integer number (6101000605111).

Almost surely, 2^{12202001210221} is an apocalyptic number.

It is an amenable number.

12202001210221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202001210221 is an equidigital number, since it uses as much as digits as its factorization.

12202001210221 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 16.

Adding to 12202001210221 its reverse (12201210020221), we get a palindrome (24403211230442).

The spelling of 12202001210221 in words is "twelve trillion, two hundred two billion, one million, two hundred ten thousand, two hundred twenty-one".