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12133130237 is a prime number
BaseRepresentation
bin10110100110011000…
…01101111111111101
31011022120121212200222
423103030031333331
5144322040131422
65323543031125
7606445622354
oct132314157775
934276555628
1012133130237
115166921368
12242743b4a5
1311b4908007
1483159499b
154b02bb842
hex2d330dffd

12133130237 has 2 divisors, whose sum is σ = 12133130238. Its totient is φ = 12133130236.

The previous prime is 12133130213. The next prime is 12133130263. The reversal of 12133130237 is 73203133121.

It is an a-pointer prime, because the next prime (12133130263) can be obtained adding 12133130237 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6858158596 + 5274971641 = 82814^2 + 72629^2 .

It is a cyclic number.

It is not a de Polignac number, because 12133130237 - 26 = 12133130173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12133130837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066565118 + 6066565119.

It is an arithmetic number, because the mean of its divisors is an integer number (6066565119).

Almost surely, 212133130237 is an apocalyptic number.

It is an amenable number.

12133130237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133130237 is an equidigital number, since it uses as much as digits as its factorization.

12133130237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

Adding to 12133130237 its reverse (73203133121), we get a palindrome (85336263358).

The spelling of 12133130237 in words is "twelve billion, one hundred thirty-three million, one hundred thirty thousand, two hundred thirty-seven".