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12122201020201 is a prime number
BaseRepresentation
bin1011000001100110101101…
…1111000101011100101001
31120220212112000212010101121
42300121223133011130221
53042102231430121301
641440510130015241
72360541304363306
oct260315337053451
946825460763347
1012122201020201
113953aa64a5a88
121439444717521
1369c1708a4a6c
142dca0938a0ad
151604d62453a1
hexb066b7c5729

12122201020201 has 2 divisors, whose sum is σ = 12122201020202. Its totient is φ = 12122201020200.

The previous prime is 12122201020177. The next prime is 12122201020217. The reversal of 12122201020201 is 10202010222121.

It is a happy number.

It is an a-pointer prime, because the next prime (12122201020217) can be obtained adding 12122201020201 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10725133755625 + 1397067264576 = 3274925^2 + 1181976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12122201020201 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122201020261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061100510100 + 6061100510101.

It is an arithmetic number, because the mean of its divisors is an integer number (6061100510101).

Almost surely, 212122201020201 is an apocalyptic number.

It is an amenable number.

12122201020201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122201020201 is an equidigital number, since it uses as much as digits as its factorization.

12122201020201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122201020201 its reverse (10202010222121), we get a palindrome (22324211242322).

The spelling of 12122201020201 in words is "twelve trillion, one hundred twenty-two billion, two hundred one million, twenty thousand, two hundred one".