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12104252197 is a prime number
BaseRepresentation
bin10110100010111100…
…00011101100100101
31011020120021201110221
423101132003230211
5144242142032242
65321032044341
7605645306002
oct132136035445
934216251427
1012104252197
115151597914
1224198336b1
1311ab93690b
1482b7d88a9
154ac9b5167
hex2d1783b25

12104252197 has 2 divisors, whose sum is σ = 12104252198. Its totient is φ = 12104252196.

The previous prime is 12104252141. The next prime is 12104252231. The reversal of 12104252197 is 79125240121.

12104252197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12104252231) can be obtained adding 12104252197 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6973252036 + 5131000161 = 83506^2 + 71631^2 .

It is an emirp because it is prime and its reverse (79125240121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12104252197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12104252107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052126098 + 6052126099.

It is an arithmetic number, because the mean of its divisors is an integer number (6052126099).

Almost surely, 212104252197 is an apocalyptic number.

It is an amenable number.

12104252197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12104252197 is an equidigital number, since it uses as much as digits as its factorization.

12104252197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 12104252197 in words is "twelve billion, one hundred four million, two hundred fifty-two thousand, one hundred ninety-seven".