12122020021201 has 2 divisors, whose sum is σ = 12122020021202. Its totient is φ = 12122020021200.

The previous prime is 12122020021157. The next prime is 12122020021271. The reversal of 12122020021201 is 10212002022121.

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., 8566246044225 + 3555773976976 = 2926815^2 + 1885676^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122020021201 - 2¹⁵ = 12122019988433 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122020021271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061010010600 + 6061010010601.

It is an arithmetic number, because the mean of its divisors is an integer number (6061010010601).

Almost surely, 2^{12122020021201} is an apocalyptic number.

It is an amenable number.

12122020021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122020021201 is an equidigital number, since it uses as much as digits as its factorization.

12122020021201 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 12122020021201 its reverse (10212002022121), we get a palindrome (22334022043322).

The spelling of 12122020021201 in words is "twelve trillion, one hundred twenty-two billion, twenty million, twenty-one thousand, two hundred one".