12022020120221 has 2 divisors, whose sum is σ = 12022020120222. Its totient is φ = 12022020120220.

The previous prime is 12022020120199. The next prime is 12022020120269. The reversal of 12022020120221 is 12202102022021.

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., 10072816012900 + 1949204107321 = 3173770^2 + 1396139^2 .

It is an emirp because it is prime and its reverse (12202102022021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12022020120221 - 2¹⁴ = 12022020103837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12022020120221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022020020221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011010060110 + 6011010060111.

It is an arithmetic number, because the mean of its divisors is an integer number (6011010060111).

Almost surely, 2^{12022020120221} is an apocalyptic number.

It is an amenable number.

12022020120221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022020120221 is an equidigital number, since it uses as much as digits as its factorization.

12022020120221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12022020120221 its reverse (12202102022021), we get a palindrome (24224122142242).

The spelling of 12022020120221 in words is "twelve trillion, twenty-two billion, twenty million, one hundred twenty thousand, two hundred twenty-one".