12020032022221 has 2 divisors, whose sum is σ = 12020032022222. Its totient is φ = 12020032022220.

The previous prime is 12020032022191. The next prime is 12020032022429. The reversal of 12020032022221 is 12222023002021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7526183205321 + 4493848816900 = 2743389^2 + 2119870^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020032022221 - 2⁷ = 12020032022093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020032022021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010016011110 + 6010016011111.

It is an arithmetic number, because the mean of its divisors is an integer number (6010016011111).

Almost surely, 2^{12020032022221} is an apocalyptic number.

It is an amenable number.

12020032022221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020032022221 is an equidigital number, since it uses as much as digits as its factorization.

12020032022221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12020032022221 its reverse (12222023002021), we get a palindrome (24242055024242).

The spelling of 12020032022221 in words is "twelve trillion, twenty billion, thirty-two million, twenty-two thousand, two hundred twenty-one".