Base | Representation |
---|---|
bin | 10110110000111110… |
… | …10110100101010101 |
3 | 1011112202220120021202 |
4 | 23120133112211111 |
5 | 200012320012323 |
6 | 5340440322245 |
7 | 611605362656 |
oct | 133037264525 |
9 | 34482816252 |
10 | 12222032213 |
11 | 5202022776 |
12 | 2451173385 |
13 | 11ca164231 |
14 | 83d2d752d |
15 | 4b7eccd28 |
hex | 2d87d6955 |
12222032213 has 2 divisors, whose sum is σ = 12222032214. Its totient is φ = 12222032212.
The previous prime is 12222032203. The next prime is 12222032239. The reversal of 12222032213 is 31223022221.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8566983364 + 3655048849 = 92558^2 + 60457^2 .
It is a cyclic number.
It is not a de Polignac number, because 12222032213 - 28 = 12222031957 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12222032203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111016106 + 6111016107.
It is an arithmetic number, because the mean of its divisors is an integer number (6111016107).
Almost surely, 212222032213 is an apocalyptic number.
It is an amenable number.
12222032213 is a deficient number, since it is larger than the sum of its proper divisors (1).
12222032213 is an equidigital number, since it uses as much as digits as its factorization.
12222032213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 12222032213 its reverse (31223022221), we get a palindrome (43445054434).
The spelling of 12222032213 in words is "twelve billion, two hundred twenty-two million, thirty-two thousand, two hundred thirteen".
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