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12162665297 is a prime number
BaseRepresentation
bin10110101001111001…
…11000101101010001
31011101122012102012002
423110330320231101
5144402120242142
65330520043345
7610254643406
oct132474705521
934348172162
1012162665297
115181564502
122435303555
1311baa79493
148354822ad
154b2ba2a32
hex2d4f38b51

12162665297 has 2 divisors, whose sum is σ = 12162665298. Its totient is φ = 12162665296.

The previous prime is 12162665243. The next prime is 12162665299. The reversal of 12162665297 is 79256626121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9603216016 + 2559449281 = 97996^2 + 50591^2 .

It is a cyclic number.

It is not a de Polignac number, because 12162665297 - 26 = 12162665233 is a prime.

Together with 12162665299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12162665299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081332648 + 6081332649.

It is an arithmetic number, because the mean of its divisors is an integer number (6081332649).

Almost surely, 212162665297 is an apocalyptic number.

It is an amenable number.

12162665297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12162665297 is an equidigital number, since it uses as much as digits as its factorization.

12162665297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The spelling of 12162665297 in words is "twelve billion, one hundred sixty-two million, six hundred sixty-five thousand, two hundred ninety-seven".