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12228069479 is a prime number
BaseRepresentation
bin10110110001101100…
…11000100001100111
31011120012021021212012
423120312120201213
5200020341210404
65341213544435
7612010606223
oct133066304147
934505237765
1012228069479
11520547664a
1224531a511b
1311cb499192
14840029783
154b87c1a6e
hex2d8d98867

12228069479 has 2 divisors, whose sum is σ = 12228069480. Its totient is φ = 12228069478.

The previous prime is 12228069467. The next prime is 12228069517. The reversal of 12228069479 is 97496082221.

12228069479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (97496082221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12228069479 - 232 = 7933102183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12228069409) 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, 6114034739 + 6114034740.

It is an arithmetic number, because the mean of its divisors is an integer number (6114034740).

Almost surely, 212228069479 is an apocalyptic number.

12228069479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12228069479 is an equidigital number, since it uses as much as digits as its factorization.

12228069479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 12228069479 in words is "twelve billion, two hundred twenty-eight million, sixty-nine thousand, four hundred seventy-nine".