Base | Representation |
---|---|
bin | 11011101111010110011110… |
… | …010000101100101000011000 |
3 | 120222222012102110221012010121 |
4 | 123233112132100230220120 |
5 | 111442331430003020440 |
6 | 1111250324512123024 |
7 | 34461203332661545 |
oct | 3357263620545030 |
9 | 528865373835117 |
10 | 122001201220120 |
11 | 359674675844a2 |
12 | 11824797536474 |
13 | 530c8827c1981 |
14 | 221ac65289bcc |
15 | e187e7d1034a |
hex | 6ef59e42ca18 |
122001201220120 has 16 divisors (see below), whose sum is σ = 274502702745360. Its totient is φ = 48800480488032.
The previous prime is 122001201220117. The next prime is 122001201220121. The reversal of 122001201220120 is 21022102100221.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 122001201220094 and 122001201220103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122001201220121) 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, 1525015015212 + ... + 1525015015291.
It is an arithmetic number, because the mean of its divisors is an integer number (17156418921585).
Almost surely, 2122001201220120 is an apocalyptic number.
122001201220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122001201220120 is an abundant number, since it is smaller than the sum of its proper divisors (152501501525240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122001201220120 is a wasteful number, since it uses less digits than its factorization.
122001201220120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3050030030514 (or 3050030030510 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 122001201220120 its reverse (21022102100221), we get a palindrome (143023303320341).
The spelling of 122001201220120 in words is "one hundred twenty-two trillion, one billion, two hundred one million, two hundred twenty thousand, one hundred twenty".
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