Base | Representation |
---|---|
bin | 110000001110110001010000… |
… | …110110001100110001001001 |
3 | 1000211001120220020011001202122 |
4 | 300032301100312030301021 |
5 | 210300343210001401301 |
6 | 2031051045021541025 |
7 | 62452152052460036 |
oct | 6016612066146111 |
9 | 1024046806131678 |
10 | 212121201200201 |
11 | 616521070a8807 |
12 | 1b95a615114775 |
13 | 9148c3598a677 |
14 | 3a54a142ac38d |
15 | 197cb5c63b81b |
hex | c0ec50d8cc49 |
212121201200201 has 8 divisors (see below), whose sum is σ = 223310673801600. Its totient is φ = 200934248484240.
The previous prime is 212121201200189. The next prime is 212121201200231. The reversal of 212121201200201 is 102002102121212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212121201200201 - 26 = 212121201200137 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 212121201200201.
It is not an unprimeable number, because it can be changed into a prime (212121201200231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629798561 + ... + 630135278.
It is an arithmetic number, because the mean of its divisors is an integer number (27913834225200).
Almost surely, 2212121201200201 is an apocalyptic number.
It is an amenable number.
212121201200201 is a deficient number, since it is larger than the sum of its proper divisors (11189472601399).
212121201200201 is a wasteful number, since it uses less digits than its factorization.
212121201200201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1259942719.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 212121201200201 its reverse (102002102121212), we get a palindrome (314123303321413).
The spelling of 212121201200201 in words is "two hundred twelve trillion, one hundred twenty-one billion, two hundred one million, two hundred thousand, two hundred one".
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