Base | Representation |
---|---|
bin | 10110110000111111… |
… | …01001110111100001 |
3 | 1011112210001120122020 |
4 | 23120133221313201 |
5 | 200012330024301 |
6 | 5340442132053 |
7 | 611606142156 |
oct | 133037516741 |
9 | 34483046566 |
10 | 12222111201 |
11 | 5202077053 |
12 | 24511b1029 |
13 | 11ca191181 |
14 | 83d31822d |
15 | 4b7ee6436 |
hex | 2d87e9de1 |
12222111201 has 16 divisors (see below), whose sum is σ = 16423879680. Its totient is φ = 8084430080.
The previous prime is 12222111191. The next prime is 12222111211. The reversal of 12222111201 is 10211122221.
It is an interprime number because it is at equal distance from previous prime (12222111191) and next prime (12222111211).
It is a cyclic number.
It is not a de Polignac number, because 12222111201 - 29 = 12222110689 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12222111211) 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, 195481 + ... + 250313.
It is an arithmetic number, because the mean of its divisors is an integer number (1026492480).
Almost surely, 212222111201 is an apocalyptic number.
It is an amenable number.
12222111201 is a deficient number, since it is larger than the sum of its proper divisors (4201768479).
12222111201 is a wasteful number, since it uses less digits than its factorization.
12222111201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55416.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 12222111201 its reverse (10211122221), we get a palindrome (22433233422).
The spelling of 12222111201 in words is "twelve billion, two hundred twenty-two million, one hundred eleven thousand, two hundred one".
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