Base | Representation |
---|---|
bin | 11011110001000101001101… |
… | …010011010000010001101001 |
3 | 121000101120022212202122210221 |
4 | 123301011031103100101221 |
5 | 112001303432104121301 |
6 | 1111421111141010041 |
7 | 34502612654052505 |
oct | 3361051523202151 |
9 | 530346285678727 |
10 | 122120102020201 |
11 | 35a02931a2042a |
12 | 1184383b0b3921 |
13 | 531ab5104858c |
14 | 2222904621305 |
15 | e1b95653bda1 |
hex | 6f114d4d0469 |
122120102020201 has 32 divisors (see below), whose sum is σ = 132884250624000. Its totient is φ = 111786486803712.
The previous prime is 122120102020199. The next prime is 122120102020261. The reversal of 122120102020201 is 102020201021221.
It is a happy number.
It is not a de Polignac number, because 122120102020201 - 21 = 122120102020199 is a prime.
It is a super-2 number, since 2×1221201020202012 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122120102020261) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90802780 + ... + 92137858.
It is an arithmetic number, because the mean of its divisors is an integer number (4152632832000).
Almost surely, 2122120102020201 is an apocalyptic number.
It is an amenable number.
122120102020201 is a deficient number, since it is larger than the sum of its proper divisors (10764148603799).
122120102020201 is a wasteful number, since it uses less digits than its factorization.
122120102020201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1335861.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 122120102020201 its reverse (102020201021221), we get a palindrome (224140303041422).
It can be divided in two parts, 1221201020 and 20201, that added together give a palindrome (1221221221).
The spelling of 122120102020201 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred two million, twenty thousand, two hundred one".
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