Base | Representation |
---|---|
bin | 111000110111001100… |
… | …0111000110100000100 |
3 | 102200012010120201022021 |
4 | 1301232120320310010 |
5 | 4000040420232322 |
6 | 132032544412524 |
7 | 11552012146231 |
oct | 1615630706404 |
9 | 380163521267 |
10 | 122111102212 |
11 | 478725964a0 |
12 | 1b7ba917144 |
13 | b690691688 |
14 | 5ca5882788 |
15 | 329a4b24c7 |
hex | 1c6e638d04 |
122111102212 has 24 divisors (see below), whose sum is σ = 233130098880. Its totient is φ = 55502926560.
The previous prime is 122111102207. The next prime is 122111102231. The reversal of 122111102212 is 212201111221.
It is a super-2 number, since 2×1221111022122 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047714 + ... + 2106502.
It is an arithmetic number, because the mean of its divisors is an integer number (9713754120).
Almost surely, 2122111102212 is an apocalyptic number.
It is an amenable number.
122111102212 is a deficient number, since it is larger than the sum of its proper divisors (111018996668).
122111102212 is a wasteful number, since it uses less digits than its factorization.
122111102212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106011 (or 106009 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 122111102212 its reverse (212201111221), we get a palindrome (334312213433).
Subtracting 122111102212 from its reverse (212201111221), we obtain a palindrome (90090009009).
The spelling of 122111102212 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, two hundred twelve".
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