Base | Representation |
---|---|
bin | 111000111010001101… |
… | …0100111110011100011 |
3 | 102200110011212001000101 |
4 | 1301310122213303203 |
5 | 4000242312021011 |
6 | 132051000003231 |
7 | 11554350505531 |
oct | 1616432476343 |
9 | 380404761011 |
10 | 122212220131 |
11 | 47914680921 |
12 | 1b828760517 |
13 | b6a8606c71 |
14 | 5cb5085151 |
15 | 32a42d82c1 |
hex | 1c746a7ce3 |
122212220131 has 2 divisors, whose sum is σ = 122212220132. Its totient is φ = 122212220130.
The previous prime is 122212220051. The next prime is 122212220153. The reversal of 122212220131 is 131022212221.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 122212220131 - 219 = 122211695843 is a prime.
It is a super-2 number, since 2×1222122201312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122212220099 and 122212220108.
It is not a weakly prime, because it can be changed into another prime (122212220171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106110065 + 61106110066.
It is an arithmetic number, because the mean of its divisors is an integer number (61106110066).
Almost surely, 2122212220131 is an apocalyptic number.
122212220131 is a deficient number, since it is larger than the sum of its proper divisors (1).
122212220131 is an equidigital number, since it uses as much as digits as its factorization.
122212220131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 122212220131 its reverse (131022212221), we get a palindrome (253234432352).
The spelling of 122212220131 in words is "one hundred twenty-two billion, two hundred twelve million, two hundred twenty thousand, one hundred thirty-one".
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