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12422124457 is a prime number
BaseRepresentation
bin10111001000110101…
…01001001110101001
31012001201102022020121
423210122221032221
5200420030440312
65412345123241
7616555213201
oct134432511651
935051368217
1012422124457
1152a4a68a66
1224a8189521
13122c751502
1485bb01401
154ca854707
hex2e46a93a9

12422124457 has 2 divisors, whose sum is σ = 12422124458. Its totient is φ = 12422124456.

The previous prime is 12422124439. The next prime is 12422124461. The reversal of 12422124457 is 75442122421.

12422124457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12405281641 + 16842816 = 111379^2 + 4104^2 .

It is a cyclic number.

It is not a de Polignac number, because 12422124457 - 223 = 12413735849 is a prime.

It is not a weakly prime, because it can be changed into another prime (12422124467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211062228 + 6211062229.

It is an arithmetic number, because the mean of its divisors is an integer number (6211062229).

Almost surely, 212422124457 is an apocalyptic number.

It is an amenable number.

12422124457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12422124457 is an equidigital number, since it uses as much as digits as its factorization.

12422124457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 34.

Adding to 12422124457 its reverse (75442122421), we get a palindrome (87864246878).

The spelling of 12422124457 in words is "twelve billion, four hundred twenty-two million, one hundred twenty-four thousand, four hundred fifty-seven".