Base | Representation |
---|---|
bin | 11011110001000110001111… |
… | …011110010000010100010100 |
3 | 121000101200012020202122111010 |
4 | 123301012033132100110110 |
5 | 112001313220310401322 |
6 | 1111421413240012220 |
7 | 34502652324325101 |
oct | 3361061736202424 |
9 | 530350166678433 |
10 | 122121212200212 |
11 | 35a03351659075 |
12 | 11843aaaa61070 |
13 | 531ac9a051a24 |
14 | 22229abc4daa8 |
15 | e1b9bdc3420c |
hex | 6f118f790514 |
122121212200212 has 12 divisors (see below), whose sum is σ = 284949495133856. Its totient is φ = 40707070733400.
The previous prime is 122121212200153. The next prime is 122121212200231. The reversal of 122121212200212 is 212002212121221.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5088383841664 + ... + 5088383841687.
Almost surely, 2122121212200212 is an apocalyptic number.
122121212200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122121212200212 is an abundant number, since it is smaller than the sum of its proper divisors (162828282933644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122121212200212 is a wasteful number, since it uses less digits than its factorization.
122121212200212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10176767683358 (or 10176767683356 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 122121212200212 its reverse (212002212121221), we get a palindrome (334123424321433).
The spelling of 122121212200212 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred twelve million, two hundred thousand, two hundred twelve".
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