Base | Representation |
---|---|
bin | 1011000110001101000001… |
… | …0000001010110100101001 |
3 | 1121012102102200021221021112 |
4 | 2301203100100022310221 |
5 | 3044401024430121301 |
6 | 41541053202120105 |
7 | 2366336064324104 |
oct | 261432020126451 |
9 | 47172380257245 |
10 | 12201201020201 |
11 | 3984555989286 |
12 | 1450811650035 |
13 | 6a675079c6ab |
14 | 3027813b773b |
15 | 1625aba329bb |
hex | b18d040ad29 |
12201201020201 has 4 divisors (see below), whose sum is σ = 12201322873092. Its totient is φ = 12201079167312.
The previous prime is 12201201020191. The next prime is 12201201020209. The reversal of 12201201020201 is 10202010210221.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4475441794576 + 7725759225625 = 2115524^2 + 2779525^2 .
It is a cyclic number.
It is not a de Polignac number, because 12201201020201 - 222 = 12201196825897 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12201201020209) by changing a digit.
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, 60776126 + ... + 60976551.
It is an arithmetic number, because the mean of its divisors is an integer number (3050330718273).
Almost surely, 212201201020201 is an apocalyptic number.
It is an amenable number.
12201201020201 is a deficient number, since it is larger than the sum of its proper divisors (121852891).
12201201020201 is a wasteful number, since it uses less digits than its factorization.
12201201020201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121852890.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 12201201020201 its reverse (10202010210221), we get a palindrome (22403211230422).
The spelling of 12201201020201 in words is "twelve trillion, two hundred one billion, two hundred one million, twenty thousand, two hundred one".
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