Base | Representation |
---|---|
bin | 10110010111111101… |
… | …00001111001001101 |
3 | 1011000010212222001221 |
4 | 23023332201321031 |
5 | 144100044214242 |
6 | 5303541003341 |
7 | 603446114125 |
oct | 131376417115 |
9 | 34003788057 |
10 | 12012101197 |
11 | 5104577468 |
12 | 23b29b3551 |
13 | 11958108b5 |
14 | 81d48bc85 |
15 | 4a4861167 |
hex | 2cbfa1e4d |
12012101197 has 2 divisors, whose sum is σ = 12012101198. Its totient is φ = 12012101196.
The previous prime is 12012101113. The next prime is 12012101209. The reversal of 12012101197 is 79110121021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11433169476 + 578931721 = 106926^2 + 24061^2 .
It is an emirp because it is prime and its reverse (79110121021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12012101197 - 219 = 12011576909 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12012801197) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006050598 + 6006050599.
It is an arithmetic number, because the mean of its divisors is an integer number (6006050599).
Almost surely, 212012101197 is an apocalyptic number.
It is an amenable number.
12012101197 is a deficient number, since it is larger than the sum of its proper divisors (1).
12012101197 is an equidigital number, since it uses as much as digits as its factorization.
12012101197 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 252, while the sum is 25.
The spelling of 12012101197 in words is "twelve billion, twelve million, one hundred one thousand, one hundred ninety-seven".
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