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12240203 is a prime number
BaseRepresentation
bin101110101100…
…010101001011
3212000212101212
4232230111023
511113141303
61114203335
7206016503
oct56542513
925025355
1012240203
116a00278
12412354b
1326c7431
1418a8a03
15111bad8
hexbac54b

12240203 has 2 divisors, whose sum is σ = 12240204. Its totient is φ = 12240202.

The previous prime is 12240197. The next prime is 12240223. The reversal of 12240203 is 30204221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12240203 - 216 = 12174667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12240223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6120101 + 6120102.

It is an arithmetic number, because the mean of its divisors is an integer number (6120102).

Almost surely, 212240203 is an apocalyptic number.

12240203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12240203 is an equidigital number, since it uses as much as digits as its factorization.

12240203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12240203 is about 3498.6001486309. The cubic root of 12240203 is about 230.4603445472.

Adding to 12240203 its reverse (30204221), we get a palindrome (42444424).

The spelling of 12240203 in words is "twelve million, two hundred forty thousand, two hundred three".