Base | Representation |
---|---|
bin | 10001110010001100010… |
… | …001111000111111111011 |
3 | 11022211111221022112120211 |
4 | 101302030101320333323 |
5 | 130010402244242334 |
6 | 2333234111131551 |
7 | 154203243255331 |
oct | 21621421707773 |
9 | 4284457275524 |
10 | 1222124212219 |
11 | 4313332911a9 |
12 | 178a32b13bb7 |
13 | 8b3270a9c41 |
14 | 4321899db51 |
15 | 21bcc1a2a64 |
hex | 11c8c478ffb |
1222124212219 has 2 divisors, whose sum is σ = 1222124212220. Its totient is φ = 1222124212218.
The previous prime is 1222124212193. The next prime is 1222124212247. The reversal of 1222124212219 is 9122124212221.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (9122124212221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1222124212219 - 213 = 1222124204027 is a prime.
It is a super-2 number, since 2×12221242122192 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1222124212319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611062106109 + 611062106110.
It is an arithmetic number, because the mean of its divisors is an integer number (611062106110).
Almost surely, 21222124212219 is an apocalyptic number.
1222124212219 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222124212219 is an equidigital number, since it uses as much as digits as its factorization.
1222124212219 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4608, while the sum is 31.
The spelling of 1222124212219 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-four million, two hundred twelve thousand, two hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •