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12717912356101 is a prime number
BaseRepresentation
bin1011100100010001111010…
…1001011111010100000101
31200000211011011211110201201
42321010132221133110011
53131332241030343401
643014310035222501
72451560503240411
oct271043651372405
950024134743651
1012717912356101
1140636aaa73787
121514997147a31
137133a8b816b4
1431d79bc17d41
15170c4e81cb01
hexb911ea5f505

12717912356101 has 2 divisors, whose sum is σ = 12717912356102. Its totient is φ = 12717912356100.

The previous prime is 12717912356069. The next prime is 12717912356143. The reversal of 12717912356101 is 10165321971721.

It is a happy number.

12717912356101 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 can be written as a sum of positive squares in only one way, i.e., 11037710513025 + 1680201843076 = 3322305^2 + 1296226^2 .

It is a cyclic number.

It is not a de Polignac number, because 12717912356101 - 25 = 12717912356069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12717912356701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6358956178050 + 6358956178051.

It is an arithmetic number, because the mean of its divisors is an integer number (6358956178051).

Almost surely, 212717912356101 is an apocalyptic number.

It is an amenable number.

12717912356101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12717912356101 is an equidigital number, since it uses as much as digits as its factorization.

12717912356101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 46.

The spelling of 12717912356101 in words is "twelve trillion, seven hundred seventeen billion, nine hundred twelve million, three hundred fifty-six thousand, one hundred one".