Base | Representation |
---|---|
bin | 1011000110001101000101… |
… | …1101001001110100110001 |
3 | 1121012102111002021020101222 |
4 | 2301203101131021310301 |
5 | 3044401100111414301 |
6 | 41541055202434425 |
7 | 2366336431005614 |
oct | 261432135116461 |
9 | 47172432236358 |
10 | 12201221201201 |
11 | 398456631259a |
12 | 1450818362a15 |
13 | 6a6754a17306 |
14 | 302783d4c17b |
15 | 1625ad6bc31b |
hex | b18d1749d31 |
12201221201201 has 2 divisors, whose sum is σ = 12201221201202. Its totient is φ = 12201221201200.
The previous prime is 12201221201171. The next prime is 12201221201231. The reversal of 12201221201201 is 10210212210221.
It is a balanced prime because it is at equal distance from previous prime (12201221201171) and next prime (12201221201231).
It can be written as a sum of positive squares in only one way, i.e., 11729803014400 + 471418186801 = 3424880^2 + 686599^2 .
It is a cyclic number.
It is not a de Polignac number, because 12201221201201 - 230 = 12200147459377 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12201221201201.
It is not a weakly prime, because it can be changed into another prime (12201221201231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100610600600 + 6100610600601.
It is an arithmetic number, because the mean of its divisors is an integer number (6100610600601).
Almost surely, 212201221201201 is an apocalyptic number.
It is an amenable number.
12201221201201 is a deficient number, since it is larger than the sum of its proper divisors (1).
12201221201201 is an equidigital number, since it uses as much as digits as its factorization.
12201221201201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 12201221201201 its reverse (10210212210221), we get a palindrome (22411433411422).
The spelling of 12201221201201 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, two hundred one thousand, two hundred one".
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