Base | Representation |
---|---|
bin | 10001011111100100000… |
… | …000001001110110110111 |
3 | 11020220212212222020021011 |
4 | 101133210000021312313 |
5 | 124143421001334312 |
6 | 2320125151333051 |
7 | 152564452635616 |
oct | 21374400116667 |
9 | 4226785866234 |
10 | 1202121121207 |
11 | 4238a9040926 |
12 | 174b8bb21187 |
13 | 89489b8c406 |
14 | 4227c11187d |
15 | 2140b025da7 |
hex | 117e4009db7 |
1202121121207 has 2 divisors, whose sum is σ = 1202121121208. Its totient is φ = 1202121121206.
The previous prime is 1202121121199. The next prime is 1202121121211. The reversal of 1202121121207 is 7021211212021.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1202121121207 - 23 = 1202121121199 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1202121121237) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601060560603 + 601060560604.
It is an arithmetic number, because the mean of its divisors is an integer number (601060560604).
Almost surely, 21202121121207 is an apocalyptic number.
1202121121207 is a deficient number, since it is larger than the sum of its proper divisors (1).
1202121121207 is an equidigital number, since it uses as much as digits as its factorization.
1202121121207 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 224, while the sum is 22.
Adding to 1202121121207 its reverse (7021211212021), we get a palindrome (8223332333228).
The spelling of 1202121121207 in words is "one trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred seven".
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