Base | Representation |
---|---|
bin | 10110101110011111… |
… | …11000101001010010 |
3 | 1011111022201012011002 |
4 | 23113033320221102 |
5 | 144442001401320 |
6 | 5334414022002 |
7 | 611233330163 |
oct | 132717705122 |
9 | 34438635132 |
10 | 12201200210 |
11 | 51a1294341 |
12 | 24461a7902 |
13 | 11c5a4c1c4 |
14 | 83a63376a |
15 | 4b6265675 |
hex | 2d73f8a52 |
12201200210 has 8 divisors (see below), whose sum is σ = 21962160396. Its totient is φ = 4880480080.
The previous prime is 12201200201. The next prime is 12201200239. The reversal of 12201200210 is 1200210221.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 11515650721 + 685549489 = 107311^2 + 26183^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 12201200191 and 12201200200.
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, 610060001 + ... + 610060020.
Almost surely, 212201200210 is an apocalyptic number.
12201200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12201200210 is a deficient number, since it is larger than the sum of its proper divisors (9760960186).
12201200210 is a wasteful number, since it uses less digits than its factorization.
12201200210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1220120028.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 12201200210 its reverse (1200210221), we get a palindrome (13401410431).
The spelling of 12201200210 in words is "twelve billion, two hundred one million, two hundred thousand, two hundred ten".
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