Base | Representation |
---|---|
bin | 10001011101110010001… |
… | …101111001001010010100 |
3 | 11020201221211211221012121 |
4 | 101131302031321022110 |
5 | 124131013300321322 |
6 | 2315211515025324 |
7 | 152466242460220 |
oct | 21356215711224 |
9 | 4221854757177 |
10 | 1200212120212 |
11 | 4230094a8156 |
12 | 17473873b244 |
13 | 89244526921 |
14 | 4213a783780 |
15 | 2134863aec7 |
hex | 11772379294 |
1200212120212 has 12 divisors (see below), whose sum is σ = 2400424240480. Its totient is φ = 514376622936.
The previous prime is 1200212120161. The next prime is 1200212120321. The reversal of 1200212120212 is 2120212120021.
It is a happy number.
1200212120212 is an admirable number.
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, 21432359262 + ... + 21432359317.
Almost surely, 21200212120212 is an apocalyptic number.
It is an amenable number.
1200212120212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200212120212 is a wasteful number, since it uses less digits than its factorization.
1200212120212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42864718590 (or 42864718588 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1200212120212 its reverse (2120212120021), we get a palindrome (3320424240233).
It can be divided in two parts, 120021 and 2120212, that multiplied together give a palindrome (254469964452).
The spelling of 1200212120212 in words is "one trillion, two hundred billion, two hundred twelve million, one hundred twenty thousand, two hundred twelve".
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