Base | Representation |
---|---|
bin | 10110101111100100… |
… | …10010101111100001 |
3 | 1011111221200102222102 |
4 | 23113302102233201 |
5 | 200001304020001 |
6 | 5335335220145 |
7 | 611403105020 |
oct | 132762225741 |
9 | 34457612872 |
10 | 12210220001 |
11 | 51a6395011 |
12 | 2449217655 |
13 | 11c7889865 |
14 | 83b9008b7 |
15 | 4b6e47e6b |
hex | 2d7c92be1 |
12210220001 has 16 divisors (see below), whose sum is σ = 14672394240. Its totient is φ = 9939343680.
The previous prime is 12210219997. The next prime is 12210220019. The reversal of 12210220001 is 10002201221.
It is a happy number.
It is not a de Polignac number, because 12210220001 - 22 = 12210219997 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12210220081) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 480641 + ... + 505406.
It is an arithmetic number, because the mean of its divisors is an integer number (917024640).
Almost surely, 212210220001 is an apocalyptic number.
It is an amenable number.
12210220001 is a deficient number, since it is larger than the sum of its proper divisors (2462174239).
12210220001 is an equidigital number, since it uses as much as digits as its factorization.
12210220001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 986144.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 12210220001 its reverse (10002201221), we get a palindrome (22212421222).
The spelling of 12210220001 in words is "twelve billion, two hundred ten million, two hundred twenty thousand, one".
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