Base | Representation |
---|---|
bin | 111000110011111010… |
… | …1101100001100111011 |
3 | 102122220110210201120112 |
4 | 1301213311230030323 |
5 | 3444324302242334 |
6 | 132014021214535 |
7 | 11546206123235 |
oct | 1614765541473 |
9 | 378813721515 |
10 | 122001212219 |
11 | 4781655a517 |
12 | 1b789b6144b |
13 | b673997403 |
14 | 5c95039255 |
15 | 3290a074ce |
hex | 1c67d6c33b |
122001212219 has 2 divisors, whose sum is σ = 122001212220. Its totient is φ = 122001212218.
The previous prime is 122001212191. The next prime is 122001212233. The reversal of 122001212219 is 912212100221.
It is a strong prime.
It is an emirp because it is prime and its reverse (912212100221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122001212219 - 28 = 122001211963 is a prime.
It is a super-2 number, since 2×1220012122192 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122001212194 and 122001212203.
It is not a weakly prime, because it can be changed into another prime (122001212239) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000606109 + 61000606110.
It is an arithmetic number, because the mean of its divisors is an integer number (61000606110).
Almost surely, 2122001212219 is an apocalyptic number.
122001212219 is a deficient number, since it is larger than the sum of its proper divisors (1).
122001212219 is an equidigital number, since it uses as much as digits as its factorization.
122001212219 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 23.
The spelling of 122001212219 in words is "one hundred twenty-two billion, one million, two hundred twelve thousand, two hundred nineteen".
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