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12442203017 is a prime number
BaseRepresentation
bin10111001011001110…
…01111001110001001
31012010010012101211222
423211213033032021
5200440200444032
65414343331425
7620220660236
oct134547171611
935103171758
1012442203017
115305332312
1224b2a50b75
13123396160a
1486064a78d
154cc4bda12
hex2e59cf389

12442203017 has 2 divisors, whose sum is σ = 12442203018. Its totient is φ = 12442203016.

The previous prime is 12442202963. The next prime is 12442203043. The reversal of 12442203017 is 71030224421.

It is an a-pointer prime, because the next prime (12442203043) can be obtained adding 12442203017 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12351210496 + 90992521 = 111136^2 + 9539^2 .

It is a cyclic number.

It is not a de Polignac number, because 12442203017 - 28 = 12442202761 is a prime.

It is not a weakly prime, because it can be changed into another prime (12442203217) 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, 6221101508 + 6221101509.

It is an arithmetic number, because the mean of its divisors is an integer number (6221101509).

Almost surely, 212442203017 is an apocalyptic number.

It is an amenable number.

12442203017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442203017 is an equidigital number, since it uses as much as digits as its factorization.

12442203017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 12442203017 its reverse (71030224421), we get a palindrome (83472427438).

The spelling of 12442203017 in words is "twelve billion, four hundred forty-two million, two hundred three thousand, seventeen".