Base | Representation |
---|---|
bin | 10110100100110101… |
… | …11110000111011010 |
3 | 1011021200022222100120 |
4 | 23102122332013122 |
5 | 144310234020442 |
6 | 5322402214110 |
7 | 606231112503 |
oct | 132232760732 |
9 | 34250288316 |
10 | 12120220122 |
11 | 515a60384a |
12 | 2423054336 |
13 | 11b20379aa |
14 | 82d993baa |
15 | 4ae0bb4ec |
hex | 2d26be1da |
12120220122 has 8 divisors (see below), whose sum is σ = 24240440256. Its totient is φ = 4040073372.
The previous prime is 12120220117. The next prime is 12120220153. The reversal of 12120220122 is 22102202121.
It is a sphenic number, since it is the product of 3 distinct primes.
12120220122 is an admirable number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010018338 + ... + 1010018349.
It is an arithmetic number, because the mean of its divisors is an integer number (3030055032).
Almost surely, 212120220122 is an apocalyptic number.
12120220122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12120220122 is a wasteful number, since it uses less digits than its factorization.
12120220122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2020036692.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 12120220122 its reverse (22102202121), we get a palindrome (34222422243).
The spelling of 12120220122 in words is "twelve billion, one hundred twenty million, two hundred twenty thousand, one hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •