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12512512127 is a prime number
BaseRepresentation
bin10111010011100110…
…11100100001111111
31012022000111110211002
423221303130201333
5201111200342002
65425334320515
7622033412123
oct135163344177
935260443732
1012512512127
115340a94615
1225124b913b
1312453aaa3b
14869b0d583
154d375b002
hex2e9cdc87f

12512512127 has 2 divisors, whose sum is σ = 12512512128. Its totient is φ = 12512512126.

The previous prime is 12512512123. The next prime is 12512512163. The reversal of 12512512127 is 72121521521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12512512127 - 22 = 12512512123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12512512127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12512512123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256256063 + 6256256064.

It is an arithmetic number, because the mean of its divisors is an integer number (6256256064).

Almost surely, 212512512127 is an apocalyptic number.

12512512127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12512512127 is an equidigital number, since it uses as much as digits as its factorization.

12512512127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 29.

The spelling of 12512512127 in words is "twelve billion, five hundred twelve million, five hundred twelve thousand, one hundred twenty-seven".