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12201201017 is a prime number
BaseRepresentation
bin10110101110011111…
…11000110101111001
31011111022201020020222
423113033320311321
5144442001413032
65334414025425
7611233332425
oct132717706571
934438636228
1012201201017
1151a1294a05
1224461a8275
1311c5a4c695
1483a633b85
154b6265a12
hex2d73f8d79

12201201017 has 2 divisors, whose sum is σ = 12201201018. Its totient is φ = 12201201016.

The previous prime is 12201201013. The next prime is 12201201031. The reversal of 12201201017 is 71010210221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7668680041 + 4532520976 = 87571^2 + 67324^2 .

It is an emirp because it is prime and its reverse (71010210221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12201201017 - 22 = 12201201013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12201200986 and 12201201004.

It is not a weakly prime, because it can be changed into another prime (12201201011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100600508 + 6100600509.

It is an arithmetic number, because the mean of its divisors is an integer number (6100600509).

Almost surely, 212201201017 is an apocalyptic number.

It is an amenable number.

12201201017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201201017 is an equidigital number, since it uses as much as digits as its factorization.

12201201017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 12201201017 its reverse (71010210221), we get a palindrome (83211411238).

The spelling of 12201201017 in words is "twelve billion, two hundred one million, two hundred one thousand, seventeen".