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12120424041 = 311593961843
BaseRepresentation
bin10110100100110111…
…01111111001101001
31011021200201100002010
423102123233321221
5144310312032131
65322410430133
7606232622145
oct132233577151
934250640063
1012120424041
11515a732a80
122423132349
1311b20a975b
1482da08225
154ae10bb46
hex2d26efe69

12120424041 has 16 divisors (see below), whose sum is σ = 17632961280. Its totient is φ = 7344355920.

The previous prime is 12120424039. The next prime is 12120424079. The reversal of 12120424041 is 14042402121.

It is not a de Polignac number, because 12120424041 - 21 = 12120424039 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12120423999 and 12120424017.

It is not an unprimeable number, because it can be changed into a prime (12120424081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165066 + ... + 226908.

It is an arithmetic number, because the mean of its divisors is an integer number (1102060080).

Almost surely, 212120424041 is an apocalyptic number.

12120424041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12120424041 is a deficient number, since it is larger than the sum of its proper divisors (5512537239).

12120424041 is a wasteful number, since it uses less digits than its factorization.

12120424041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67796.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12120424041 its reverse (14042402121), we get a palindrome (26162826162).

The spelling of 12120424041 in words is "twelve billion, one hundred twenty million, four hundred twenty-four thousand, forty-one".

Divisors: 1 3 11 33 5939 17817 61843 65329 185529 195987 680273 2040819 367285577 1101856731 4040141347 12120424041