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12011045237 is a prime number
BaseRepresentation
bin10110010111110101…
…00000000101110101
31011000001220022120022
423023322200011311
5144044311421422
65303502214525
7603434125412
oct131372400565
934001808508
1012011045237
115103a16074
1223b2584445
131195531079
1481d295109
154a4703342
hex2cbea0175

12011045237 has 2 divisors, whose sum is σ = 12011045238. Its totient is φ = 12011045236.

The previous prime is 12011045227. The next prime is 12011045239. The reversal of 12011045237 is 73254011021.

12011045237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11193428401 + 817616836 = 105799^2 + 28594^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011045237 - 218 = 12010783093 is a prime.

Together with 12011045239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011045239) 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, 6005522618 + 6005522619.

It is an arithmetic number, because the mean of its divisors is an integer number (6005522619).

Almost surely, 212011045237 is an apocalyptic number.

It is an amenable number.

12011045237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011045237 is an equidigital number, since it uses as much as digits as its factorization.

12011045237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 12011045237 its reverse (73254011021), we get a palindrome (85265056258).

The spelling of 12011045237 in words is "twelve billion, eleven million, forty-five thousand, two hundred thirty-seven".