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12104142997 is a prime number
BaseRepresentation
bin10110100010111011…
…01001000010010101
31011020120002011200111
423101131221002111
5144242130033442
65321025443021
7605644342432
oct132135510225
934216064614
1012104142997
115151522871
1224197a0471
1311ab8c8cbb
1482b7aab89
154ac992b17
hex2d1769095

12104142997 has 2 divisors, whose sum is σ = 12104142998. Its totient is φ = 12104142996.

The previous prime is 12104142949. The next prime is 12104143003. The reversal of 12104142997 is 79924140121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6278026756 + 5826116241 = 79234^2 + 76329^2 .

It is a cyclic number.

It is not a de Polignac number, because 12104142997 - 211 = 12104140949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12104148997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052071498 + 6052071499.

It is an arithmetic number, because the mean of its divisors is an integer number (6052071499).

Almost surely, 212104142997 is an apocalyptic number.

It is an amenable number.

12104142997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12104142997 is an equidigital number, since it uses as much as digits as its factorization.

12104142997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 12104142997 in words is "twelve billion, one hundred four million, one hundred forty-two thousand, nine hundred ninety-seven".