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12200117 is a prime number
BaseRepresentation
bin101110100010…
…100010110101
3211221211102012
4232202202311
511110400432
61113254005
7205461566
oct56424265
924854365
1012200117
116983146
124104305
1326b2107
14189816d
15110ecb2
hexba28b5

12200117 has 2 divisors, whose sum is σ = 12200118. Its totient is φ = 12200116.

The previous prime is 12200063. The next prime is 12200129. The reversal of 12200117 is 71100221.

12200117 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., 9991921 + 2208196 = 3161^2 + 1486^2 .

It is an emirp because it is prime and its reverse (71100221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12200117 - 26 = 12200053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100058 + 6100059.

It is an arithmetic number, because the mean of its divisors is an integer number (6100059).

Almost surely, 212200117 is an apocalyptic number.

It is an amenable number.

12200117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200117 is an equidigital number, since it uses as much as digits as its factorization.

12200117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 12200117 is about 3492.8665877757. The cubic root of 12200117 is about 230.2084877040.

Adding to 12200117 its reverse (71100221), we get a palindrome (83300338).

The spelling of 12200117 in words is "twelve million, two hundred thousand, one hundred seventeen".