Base | Representation |
---|---|
bin | 10001101000111101011… |
… | …101110011110110011111 |
3 | 11021212221010202002200111 |
4 | 101220331131303312133 |
5 | 124330102233032312 |
6 | 2324514342110451 |
7 | 153402513003013 |
oct | 21507535636637 |
9 | 4255833662614 |
10 | 1212212002207 |
11 | 4281070890a8 |
12 | 176b2741b427 |
13 | 8a40764980b |
14 | 42958370543 |
15 | 217ebd868a7 |
hex | 11a3d773d9f |
1212212002207 has 2 divisors, whose sum is σ = 1212212002208. Its totient is φ = 1212212002206.
The previous prime is 1212212002181. The next prime is 1212212002223. The reversal of 1212212002207 is 7022002122121.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1212212002207 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1212212003207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606106001103 + 606106001104.
It is an arithmetic number, because the mean of its divisors is an integer number (606106001104).
Almost surely, 21212212002207 is an apocalyptic number.
1212212002207 is a deficient number, since it is larger than the sum of its proper divisors (1).
1212212002207 is an equidigital number, since it uses as much as digits as its factorization.
1212212002207 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 448, while the sum is 22.
Adding to 1212212002207 its reverse (7022002122121), we get a palindrome (8234214124328).
The spelling of 1212212002207 in words is "one trillion, two hundred twelve billion, two hundred twelve million, two thousand, two hundred seven".
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