Base | Representation |
---|---|
bin | 11011110001000101001110… |
… | …011011101111001100111111 |
3 | 121000101120101012112000100101 |
4 | 123301011032123233030333 |
5 | 112001304001440134442 |
6 | 1111421113100141531 |
7 | 34502613304421236 |
oct | 3361051633571477 |
9 | 530346335460311 |
10 | 122120121021247 |
11 | 35a02941719178 |
12 | 118438455378a7 |
13 | 531ab54c6c0bb |
14 | 2222906d69b1d |
15 | e1b958041cb7 |
hex | 6f114e6ef33f |
122120121021247 has 2 divisors, whose sum is σ = 122120121021248. Its totient is φ = 122120121021246.
The previous prime is 122120121021181. The next prime is 122120121021257. The reversal of 122120121021247 is 742120121021221.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 122120121021247 - 215 = 122120120988479 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122120121021257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060060510623 + 61060060510624.
It is an arithmetic number, because the mean of its divisors is an integer number (61060060510624).
Almost surely, 2122120121021247 is an apocalyptic number.
122120121021247 is a deficient number, since it is larger than the sum of its proper divisors (1).
122120121021247 is an equidigital number, since it uses as much as digits as its factorization.
122120121021247 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1792, while the sum is 28.
Adding to 122120121021247 its reverse (742120121021221), we get a palindrome (864240242042468).
The spelling of 122120121021247 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred forty-seven".
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