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12287356019 is a prime number
BaseRepresentation
bin10110111000110001…
…00010110001110011
31011201022211100200222
423130120202301303
5200131030343034
65351132403255
7613330542251
oct133430426163
934638740628
1012287356019
11523598a494
12246b01652b
13120a856483
14847c5d5d1
154bdad312e
hex2dc622c73

12287356019 has 2 divisors, whose sum is σ = 12287356020. Its totient is φ = 12287356018.

The previous prime is 12287356009. The next prime is 12287356049. The reversal of 12287356019 is 91065378221.

12287356019 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 (91065378221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12287356019 - 28 = 12287355763 is a prime.

It is a super-2 number, since 2×122873560192 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12287356009) 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, 6143678009 + 6143678010.

It is an arithmetic number, because the mean of its divisors is an integer number (6143678010).

Almost surely, 212287356019 is an apocalyptic number.

12287356019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12287356019 is an equidigital number, since it uses as much as digits as its factorization.

12287356019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 12287356019 in words is "twelve billion, two hundred eighty-seven million, three hundred fifty-six thousand, nineteen".