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12500006201 is a prime number
BaseRepresentation
bin10111010010000111…
…01111010100111001
31012021010222002220122
423221003233110321
5201100000144301
65424210303025
7621522204524
oct135103572471
935233862818
1012500006201
115334a22741
12250a287a75
13124291c697
148681b5bbb
154d25da81b
hex2e90ef539

12500006201 has 2 divisors, whose sum is σ = 12500006202. Its totient is φ = 12500006200.

The previous prime is 12500006161. The next prime is 12500006203. The reversal of 12500006201 is 10260000521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12245635600 + 254370601 = 110660^2 + 15949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12500006201 is a prime.

Together with 12500006203, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12500006201.

It is not a weakly prime, because it can be changed into another prime (12500006203) 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, 6250003100 + 6250003101.

It is an arithmetic number, because the mean of its divisors is an integer number (6250003101).

Almost surely, 212500006201 is an apocalyptic number.

It is an amenable number.

12500006201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12500006201 is an equidigital number, since it uses as much as digits as its factorization.

12500006201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 12500006201 its reverse (10260000521), we get a palindrome (22760006722).

The spelling of 12500006201 in words is "twelve billion, five hundred million, six thousand, two hundred one".