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12050002021 is a prime number
BaseRepresentation
bin10110011100011110…
…00111000001100101
31011002210012112020011
423032033013001211
5144134300031041
65311413210221
7604416220141
oct131617070145
934083175204
1012050002021
115123a03962
122403630971
1311a0620b15
14824516221
154a7d4ae81
hex2ce3c7065

12050002021 has 2 divisors, whose sum is σ = 12050002022. Its totient is φ = 12050002020.

The previous prime is 12050001983. The next prime is 12050002039. The reversal of 12050002021 is 12020005021.

12050002021 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., 11112111396 + 937890625 = 105414^2 + 30625^2 .

It is a cyclic number.

It is not a de Polignac number, because 12050002021 - 217 = 12049870949 is a prime.

It is a super-2 number, since 2×120500020212 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12050001992 and 12050002010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12050008021) 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, 6025001010 + 6025001011.

It is an arithmetic number, because the mean of its divisors is an integer number (6025001011).

Almost surely, 212050002021 is an apocalyptic number.

It is an amenable number.

12050002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12050002021 is an equidigital number, since it uses as much as digits as its factorization.

12050002021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 13.

Adding to 12050002021 its reverse (12020005021), we get a palindrome (24070007042).

It can be divided in two parts, 1205000 and 2021, that added together give a palindrome (1207021).

The spelling of 12050002021 in words is "twelve billion, fifty million, two thousand, twenty-one".