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12041332081 is a prime number
BaseRepresentation
bin10110011011011100…
…00010010101110001
31011002011220001022021
423031232002111301
5144130040111311
65310503311441
7604252430302
oct131556022561
934064801267
1012041332081
11511a022019
12240074b581
13119b8a678c
148232da7a9
154a71d7171
hex2cdb82571

12041332081 has 2 divisors, whose sum is σ = 12041332082. Its totient is φ = 12041332080.

The previous prime is 12041332057. The next prime is 12041332087. The reversal of 12041332081 is 18023314021.

It is a happy number.

12041332081 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., 8082909025 + 3958423056 = 89905^2 + 62916^2 .

It is an emirp because it is prime and its reverse (18023314021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12041332081 - 25 = 12041332049 is a prime.

It is a super-2 number, since 2×120413320812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12041332087) 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, 6020666040 + 6020666041.

It is an arithmetic number, because the mean of its divisors is an integer number (6020666041).

Almost surely, 212041332081 is an apocalyptic number.

It is an amenable number.

12041332081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12041332081 is an equidigital number, since it uses as much as digits as its factorization.

12041332081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 12041332081 in words is "twelve billion, forty-one million, three hundred thirty-two thousand, eighty-one".