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12011101057 is a prime number
BaseRepresentation
bin10110010111110101…
…01101101110000001
31011000002000011010201
423023322231232001
5144044320213212
65303503325201
7603434450224
oct131372555601
934002004121
1012011101057
115103a53aaa
1223b25b0801
1311955505b7
1481d2ab5bb
154a4714b57
hex2cbeadb81

12011101057 has 2 divisors, whose sum is σ = 12011101058. Its totient is φ = 12011101056.

The previous prime is 12011101051. The next prime is 12011101111. The reversal of 12011101057 is 75010111021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10521835776 + 1489265281 = 102576^2 + 38591^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011101057 - 27 = 12011100929 is a prime.

It is not a weakly prime, because it can be changed into another prime (12011101051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005550528 + 6005550529.

It is an arithmetic number, because the mean of its divisors is an integer number (6005550529).

Almost surely, 212011101057 is an apocalyptic number.

It is an amenable number.

12011101057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011101057 is an equidigital number, since it uses as much as digits as its factorization.

12011101057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 19.

Adding to 12011101057 its reverse (75010111021), we get a palindrome (87021212078).

The spelling of 12011101057 in words is "twelve billion, eleven million, one hundred one thousand, fifty-seven".