Base | Representation |
---|---|
bin | 10110101110011111… |
… | …00101000100001100 |
3 | 1011111022120010010210 |
4 | 23113033211010030 |
5 | 144441441320022 |
6 | 5334412202420 |
7 | 611232544314 |
oct | 132717450414 |
9 | 34438503123 |
10 | 12201120012 |
11 | 51a123a064 |
12 | 2446169410 |
13 | 11c5a21853 |
14 | 83a612444 |
15 | 4b624ba0c |
hex | 2d73e510c |
12201120012 has 12 divisors (see below), whose sum is σ = 28469280056. Its totient is φ = 4067040000.
The previous prime is 12201120007. The next prime is 12201120059. The reversal of 12201120012 is 21002110221.
12201120012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1016760001 = 12201120012 / (1 + 2 + 2 + 0 + 1 + 1 + 2 + 0 + 0 + 1 + 2).
It is a self number, because there is not a number n which added to its sum of digits gives 12201120012.
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 3 ways as a sum of consecutive naturals, for example, 508379989 + ... + 508380012.
Almost surely, 212201120012 is an apocalyptic number.
12201120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12201120012 is an abundant number, since it is smaller than the sum of its proper divisors (16268160044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12201120012 is a wasteful number, since it uses less digits than its factorization.
12201120012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1016760008 (or 1016760006 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 12201120012 its reverse (21002110221), we get a palindrome (33203230233).
The spelling of 12201120012 in words is "twelve billion, two hundred one million, one hundred twenty thousand, twelve".
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