Base | Representation |
---|---|
bin | 10110100100110101… |
… | …11001101111101011 |
3 | 1011021200022001210111 |
4 | 23102122321233223 |
5 | 144310232432334 |
6 | 5322401555151 |
7 | 606231006346 |
oct | 132232715753 |
9 | 34250261714 |
10 | 12120202219 |
11 | 515a5a1354 |
12 | 2423045ab7 |
13 | 11b202c7b8 |
14 | 82d98b45d |
15 | 4ae0b6064 |
hex | 2d26b9beb |
12120202219 has 2 divisors, whose sum is σ = 12120202220. Its totient is φ = 12120202218.
The previous prime is 12120202217. The next prime is 12120202253. The reversal of 12120202219 is 91220202121.
It is a weak prime.
It is an emirp because it is prime and its reverse (91220202121) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12120202219 - 21 = 12120202217 is a prime.
It is a super-2 number, since 2×121202022192 (a number of 21 digits) contains 22 as substring.
Together with 12120202217, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 12120202219.
It is not a weakly prime, because it can be changed into another prime (12120202217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060101109 + 6060101110.
It is an arithmetic number, because the mean of its divisors is an integer number (6060101110).
Almost surely, 212120202219 is an apocalyptic number.
12120202219 is a deficient number, since it is larger than the sum of its proper divisors (1).
12120202219 is an equidigital number, since it uses as much as digits as its factorization.
12120202219 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 22.
The spelling of 12120202219 in words is "twelve billion, one hundred twenty million, two hundred two thousand, two hundred nineteen".
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