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12512512679 is a prime number
BaseRepresentation
bin10111010011100110…
…11100101010100111
31012022000111111120112
423221303130222213
5201111200401204
65425334323235
7622033413542
oct135163345247
935260444515
1012512512679
115340a94a77
1225124b951b
1312453ab074
14869b0d859
154d375b26e
hex2e9cdcaa7

12512512679 has 2 divisors, whose sum is σ = 12512512680. Its totient is φ = 12512512678.

The previous prime is 12512512667. The next prime is 12512512687. The reversal of 12512512679 is 97621521521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12512512679 - 232 = 8217545383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12512512879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256256339 + 6256256340.

It is an arithmetic number, because the mean of its divisors is an integer number (6256256340).

Almost surely, 212512512679 is an apocalyptic number.

12512512679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12512512679 is an equidigital number, since it uses as much as digits as its factorization.

12512512679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 41.

The spelling of 12512512679 in words is "twelve billion, five hundred twelve million, five hundred twelve thousand, six hundred seventy-nine".