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12281020207 is a prime number
BaseRepresentation
bin10110111000000000…
…10111111100101111
31011200212220110121021
423130000113330233
5200122420121312
65350344515011
7613222643431
oct133400277457
934625813537
1012281020207
115232352285
122468a7ba67
131209448681
14847090651
154bd280c07
hex2dc017f2f

12281020207 has 2 divisors, whose sum is σ = 12281020208. Its totient is φ = 12281020206.

The previous prime is 12281020163. The next prime is 12281020231. The reversal of 12281020207 is 70202018221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12281020207 - 211 = 12281018159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12281020267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6140510103 + 6140510104.

It is an arithmetic number, because the mean of its divisors is an integer number (6140510104).

Almost surely, 212281020207 is an apocalyptic number.

12281020207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12281020207 is an equidigital number, since it uses as much as digits as its factorization.

12281020207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 12281020207 its reverse (70202018221), we get a palindrome (82483038428).

The spelling of 12281020207 in words is "twelve billion, two hundred eighty-one million, twenty thousand, two hundred seven".