Base | Representation |
---|---|
bin | 1011000000011100001101… |
… | …1110000100011000100111 |
3 | 1120211221220021202111110211 |
4 | 2300013003132010120213 |
5 | 3041240302242442411 |
6 | 41423401444200251 |
7 | 2356232566230253 |
oct | 260070336043047 |
9 | 46757807674424 |
10 | 12102202312231 |
11 | 3946573779759 |
12 | 14355a3099087 |
13 | 69a304560255 |
14 | 2dba6d31d263 |
15 | 15ec15682221 |
hex | b01c3784627 |
12102202312231 has 2 divisors, whose sum is σ = 12102202312232. Its totient is φ = 12102202312230.
The previous prime is 12102202312201. The next prime is 12102202312253. The reversal of 12102202312231 is 13221320220121.
It is an a-pointer prime, because the next prime (12102202312253) can be obtained adding 12102202312231 to its sum of digits (22).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12102202312231 - 213 = 12102202304039 is a prime.
It is a super-2 number, since 2×121022023122312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12102202312201) 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, 6051101156115 + 6051101156116.
It is an arithmetic number, because the mean of its divisors is an integer number (6051101156116).
Almost surely, 212102202312231 is an apocalyptic number.
12102202312231 is a deficient number, since it is larger than the sum of its proper divisors (1).
12102202312231 is an equidigital number, since it uses as much as digits as its factorization.
12102202312231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 12102202312231 its reverse (13221320220121), we get a palindrome (25323522532352).
The spelling of 12102202312231 in words is "twelve trillion, one hundred two billion, two hundred two million, three hundred twelve thousand, two hundred thirty-one".
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