Base | Representation |
---|---|
bin | 1011000110001100010110… |
… | …0010001111111001101111 |
3 | 1121012101222010221122100201 |
4 | 2301203011202033321233 |
5 | 3044400142412211343 |
6 | 41541023300134331 |
7 | 2366331452056546 |
oct | 261430542177157 |
9 | 47171863848321 |
10 | 12201021210223 |
11 | 398447343639a |
12 | 14507813973a7 |
13 | 6a6722464161 |
14 | 30276556d15d |
15 | 16259ad6594d |
hex | b18c588fe6f |
12201021210223 has 2 divisors, whose sum is σ = 12201021210224. Its totient is φ = 12201021210222.
The previous prime is 12201021210151. The next prime is 12201021210247. The reversal of 12201021210223 is 32201212010221.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12201021210223 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12201021210223.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12201021210263) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100510605111 + 6100510605112.
It is an arithmetic number, because the mean of its divisors is an integer number (6100510605112).
Almost surely, 212201021210223 is an apocalyptic number.
12201021210223 is a deficient number, since it is larger than the sum of its proper divisors (1).
12201021210223 is an equidigital number, since it uses as much as digits as its factorization.
12201021210223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 12201021210223 its reverse (32201212010221), we get a palindrome (44402233220444).
The spelling of 12201021210223 in words is "twelve trillion, two hundred one billion, twenty-one million, two hundred ten thousand, two hundred twenty-three".
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