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12871285087267 is a prime number
BaseRepresentation
bin1011101101001101010001…
…1000000001110000100011
31200120111000222200110222101
42323103110120001300203
53141340342440243032
643212553045151231
72465630305034215
oct273232430016043
950514028613871
1012871285087267
114112754972762
12153a65b3bb517
137249ac0c9b69
14326d8b4b85b5
15174c29569de7
hexbb4d4601c23

12871285087267 has 2 divisors, whose sum is σ = 12871285087268. Its totient is φ = 12871285087266.

The previous prime is 12871285087247. The next prime is 12871285087289. The reversal of 12871285087267 is 76278058217821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12871285087267 - 27 = 12871285087139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12871285087199 and 12871285087208.

It is not a weakly prime, because it can be changed into another prime (12871285087247) 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, 6435642543633 + 6435642543634.

It is an arithmetic number, because the mean of its divisors is an integer number (6435642543634).

Almost surely, 212871285087267 is an apocalyptic number.

12871285087267 is a deficient number, since it is larger than the sum of its proper divisors (1).

12871285087267 is an equidigital number, since it uses as much as digits as its factorization.

12871285087267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42147840, while the sum is 64.

The spelling of 12871285087267 in words is "twelve trillion, eight hundred seventy-one billion, two hundred eighty-five million, eighty-seven thousand, two hundred sixty-seven".