Base | Representation |
---|---|
bin | 10110101111111001… |
… | …11010011101011111 |
3 | 1011112010220220002012 |
4 | 23113330322131133 |
5 | 200003012113002 |
6 | 5335515021435 |
7 | 611435552012 |
oct | 132774723537 |
9 | 34463826065 |
10 | 12213004127 |
11 | 51a7a16845 |
12 | 244a13a87b |
13 | 11c8322b7c |
14 | 83c027379 |
15 | 4b72e7d52 |
hex | 2d7f3a75f |
12213004127 has 2 divisors, whose sum is σ = 12213004128. Its totient is φ = 12213004126.
The previous prime is 12213004061. The next prime is 12213004157. The reversal of 12213004127 is 72140031221.
It is a strong prime.
It is an emirp because it is prime and its reverse (72140031221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12213004127 - 28 = 12213003871 is a prime.
It is a super-2 number, since 2×122130041272 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12213004157) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106502063 + 6106502064.
It is an arithmetic number, because the mean of its divisors is an integer number (6106502064).
Almost surely, 212213004127 is an apocalyptic number.
12213004127 is a deficient number, since it is larger than the sum of its proper divisors (1).
12213004127 is an equidigital number, since it uses as much as digits as its factorization.
12213004127 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 23.
Adding to 12213004127 its reverse (72140031221), we get a palindrome (84353035348).
The spelling of 12213004127 in words is "twelve billion, two hundred thirteen million, four thousand, one hundred twenty-seven".
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