Base | Representation |
---|---|
bin | 1011000111011010111010… |
… | …1010000001110100101101 |
3 | 1121021102102000101110020210 |
4 | 2301312232222001310231 |
5 | 3100221341211211341 |
6 | 41554432201333033 |
7 | 2401006222443504 |
oct | 261665652016455 |
9 | 47242360343223 |
10 | 12222112210221 |
11 | 3992406792901 |
12 | 1454888797179 |
13 | 6a8703b8b104 |
14 | 3037a66cd83b |
15 | 162dd278ac16 |
hex | b1daea81d2d |
12222112210221 has 32 divisors (see below), whose sum is σ = 17104911667200. Its totient is φ = 7753627907136.
The previous prime is 12222112210211. The next prime is 12222112210223. The reversal of 12222112210221 is 12201221122221.
It is not a de Polignac number, because 12222112210221 - 26 = 12222112210157 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12222112210223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6461290 + ... + 8135876.
It is an arithmetic number, because the mean of its divisors is an integer number (534528489600).
Almost surely, 212222112210221 is an apocalyptic number.
It is an amenable number.
12222112210221 is a deficient number, since it is larger than the sum of its proper divisors (4882799456979).
12222112210221 is a wasteful number, since it uses less digits than its factorization.
12222112210221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1676073.
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 12222112210221 its reverse (12201221122221), we get a palindrome (24423333332442).
The spelling of 12222112210221 in words is "twelve trillion, two hundred twenty-two billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •