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12100211 is a prime number
BaseRepresentation
bin101110001010…
…001001110011
3211202202100222
4232022021303
511044201321
61111203255
7204564404
oct56121163
924682328
1012100211
116915082
12407652b
1326787b6
14186d9ab
1510e03ab
hexb8a273

12100211 has 2 divisors, whose sum is σ = 12100212. Its totient is φ = 12100210.

The previous prime is 12100201. The next prime is 12100219. The reversal of 12100211 is 11200121.

12100211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12100219) can be obtained adding 12100211 to its sum of digits (8).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12100211 - 218 = 11838067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12100219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050105 + 6050106.

It is an arithmetic number, because the mean of its divisors is an integer number (6050106).

Almost surely, 212100211 is an apocalyptic number.

12100211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100211 is an equidigital number, since it uses as much as digits as its factorization.

12100211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 12100211 is about 3478.5357551706. The cubic root of 12100211 is about 229.5783769149.

Adding to 12100211 its reverse (11200121), we get a palindrome (23300332).

The spelling of 12100211 in words is "twelve million, one hundred thousand, two hundred eleven".