Base | Representation |
---|---|
bin | 111000111010100000… |
… | …0011000110100010100 |
3 | 102200110212111000101001 |
4 | 1301311000120310110 |
5 | 4000302330321322 |
6 | 132051552113044 |
7 | 11554530610663 |
oct | 1616500306424 |
9 | 380425430331 |
10 | 122222120212 |
11 | 4791a222a05 |
12 | 1b82bb35784 |
13 | b6aa6921ba |
14 | 5cb6500dda |
15 | 32a50e1827 |
hex | 1c75018d14 |
122222120212 has 24 divisors (see below), whose sum is σ = 215387456256. Its totient is φ = 60683709408.
The previous prime is 122222120203. The next prime is 122222120233. The reversal of 122222120212 is 212021222221.
It is a self number, because there is not a number n which added to its sum of digits gives 122222120212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462213 + ... + 676819.
It is an arithmetic number, because the mean of its divisors is an integer number (8974477344).
Almost surely, 2122222120212 is an apocalyptic number.
It is an amenable number.
122222120212 is a deficient number, since it is larger than the sum of its proper divisors (93165336044).
122222120212 is a wasteful number, since it uses less digits than its factorization.
122222120212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215607 (or 215605 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 122222120212 its reverse (212021222221), we get a palindrome (334243342433).
The spelling of 122222120212 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twelve".
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