Base | Representation |
---|---|
bin | 10110101111100011… |
… | …11010010101010001 |
3 | 1011111221111100211022 |
4 | 23113301322111101 |
5 | 200001242320032 |
6 | 5335333125225 |
7 | 611402210354 |
oct | 132761722521 |
9 | 34457440738 |
10 | 12210120017 |
11 | 51a6326987 |
12 | 2449189815 |
13 | 11c78531b4 |
14 | 83b8b629b |
15 | 4b6e28512 |
hex | 2d7c7a551 |
12210120017 has 2 divisors, whose sum is σ = 12210120018. Its totient is φ = 12210120016.
The previous prime is 12210120011. The next prime is 12210120031. The reversal of 12210120017 is 71002101221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10820992576 + 1389127441 = 104024^2 + 37271^2 .
It is a cyclic number.
It is not a de Polignac number, because 12210120017 - 224 = 12193342801 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12210119977 and 12210120004.
It is not a weakly prime, because it can be changed into another prime (12210120011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105060008 + 6105060009.
It is an arithmetic number, because the mean of its divisors is an integer number (6105060009).
Almost surely, 212210120017 is an apocalyptic number.
It is an amenable number.
12210120017 is a deficient number, since it is larger than the sum of its proper divisors (1).
12210120017 is an equidigital number, since it uses as much as digits as its factorization.
12210120017 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56, while the sum is 17.
Adding to 12210120017 its reverse (71002101221), we get a palindrome (83212221238).
The spelling of 12210120017 in words is "twelve billion, two hundred ten million, one hundred twenty thousand, seventeen".
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