Base | Representation |
---|---|
bin | 10110100101000101… |
… | …00001110010000011 |
3 | 1011021211001121220112 |
4 | 23102202201302003 |
5 | 144311240414334 |
6 | 5322512501535 |
7 | 606254003342 |
oct | 132242416203 |
9 | 34254047815 |
10 | 12122201219 |
11 | 5160737217 |
12 | 242384a8ab |
13 | 11b257c63b |
14 | 82dd4bb59 |
15 | 4ae35d4ce |
hex | 2d28a1c83 |
12122201219 has 8 divisors (see below), whose sum is σ = 12545420160. Its totient is φ = 11700993600.
The previous prime is 12122201213. The next prime is 12122201239. The reversal of 12122201219 is 91210222121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12122201219 - 224 = 12105424003 is a prime.
It is a super-2 number, since 2×121222012192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12122201194 and 12122201203.
It is not an unprimeable number, because it can be changed into a prime (12122201213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490562 + ... + 514679.
It is an arithmetic number, because the mean of its divisors is an integer number (1568177520).
Almost surely, 212122201219 is an apocalyptic number.
12122201219 is a deficient number, since it is larger than the sum of its proper divisors (423218941).
12122201219 is a wasteful number, since it uses less digits than its factorization.
12122201219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1005661.
The product of its (nonzero) digits is 288, while the sum is 23.
The spelling of 12122201219 in words is "twelve billion, one hundred twenty-two million, two hundred one thousand, two hundred nineteen".
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