Base | Representation |
---|---|
bin | 111000111001111000… |
… | …0101010100001010001 |
3 | 102200102102011020022121 |
4 | 1301303300222201101 |
5 | 4000232003034301 |
6 | 132045524134241 |
7 | 11554155145633 |
oct | 1616360524121 |
9 | 380372136277 |
10 | 122201221201 |
11 | 479094491a4 |
12 | 1b824b37381 |
13 | b6a6255817 |
14 | 5cb3820a53 |
15 | 32a33643a1 |
hex | 1c73c2a851 |
122201221201 has 16 divisors (see below), whose sum is σ = 127152679680. Its totient is φ = 117355288320.
The previous prime is 122201221147. The next prime is 122201221213. The reversal of 122201221201 is 102122102221.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 122201221201 - 27 = 122201221073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122201222201) 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 15 ways as a sum of consecutive naturals, for example, 1459465 + ... + 1540921.
It is an arithmetic number, because the mean of its divisors is an integer number (7947042480).
Almost surely, 2122201221201 is an apocalyptic number.
It is an amenable number.
122201221201 is a deficient number, since it is larger than the sum of its proper divisors (4951458479).
122201221201 is an equidigital number, since it uses as much as digits as its factorization.
122201221201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82104.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 122201221201 its reverse (102122102221), we get a palindrome (224323323422).
The spelling of 122201221201 in words is "one hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, two hundred one".
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