Base | Representation |
---|---|
bin | 10110111100101011… |
… | …00010010101011001 |
3 | 1011210121111001110021 |
4 | 23132111202111121 |
5 | 200212422402301 |
6 | 5354302550441 |
7 | 614206211422 |
oct | 133625422531 |
9 | 34717431407 |
10 | 12320122201 |
11 | 525242a182 |
12 | 2479b98421 |
13 | 121458954a |
14 | 84c34c649 |
15 | 4c19068a1 |
hex | 2de562559 |
12320122201 has 4 divisors (see below), whose sum is σ = 12855779712. Its totient is φ = 11784464692.
The previous prime is 12320122169. The next prime is 12320122223. The reversal of 12320122201 is 10222102321.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10222102321 = 2309 ⋅4427069.
It is a cyclic number.
It is not a de Polignac number, because 12320122201 - 25 = 12320122169 is a prime.
It is a super-2 number, since 2×123201222012 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12320122231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267828721 + ... + 267828766.
It is an arithmetic number, because the mean of its divisors is an integer number (3213944928).
Almost surely, 212320122201 is an apocalyptic number.
It is an amenable number.
12320122201 is a deficient number, since it is larger than the sum of its proper divisors (535657511).
12320122201 is an equidigital number, since it uses as much as digits as its factorization.
12320122201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535657510.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 12320122201 its reverse (10222102321), we get a palindrome (22542224522).
It can be divided in two parts, 123201 and 22201, that multiplied together give a square (2735185401 = 522992).
The spelling of 12320122201 in words is "twelve billion, three hundred twenty million, one hundred twenty-two thousand, two hundred one".
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