Base | Representation |
---|---|
bin | 10110110001000111… |
… | …10110101010101001 |
3 | 1011112212010111221000 |
4 | 23120203312222221 |
5 | 200013120242301 |
6 | 5340521505213 |
7 | 611621406114 |
oct | 133043665251 |
9 | 34485114830 |
10 | 12223212201 |
11 | 5202759272 |
12 | 2451642209 |
13 | 11ca488355 |
14 | 83d52357b |
15 | 4b8162786 |
hex | 2d88f6aa9 |
12223212201 has 16 divisors (see below), whose sum is σ = 18378740800. Its totient is φ = 8027182944.
The previous prime is 12223212187. The next prime is 12223212217. The reversal of 12223212201 is 10221232221.
12223212201 is a `hidden beast` number, since 122 + 2 + 321 + 220 + 1 = 666.
It is not a de Polignac number, because 12223212201 - 27 = 12223212073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12223212241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3376636 + ... + 3380253.
It is an arithmetic number, because the mean of its divisors is an integer number (1148671300).
Almost surely, 212223212201 is an apocalyptic number.
It is an amenable number.
12223212201 is a deficient number, since it is larger than the sum of its proper divisors (6155528599).
12223212201 is an equidigital number, since it uses as much as digits as its factorization.
12223212201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6756965 (or 6756959 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 12223212201 its reverse (10221232221), we get a palindrome (22444444422).
The spelling of 12223212201 in words is "twelve billion, two hundred twenty-three million, two hundred twelve thousand, two hundred one".
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