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12120201711 = 326764131357
BaseRepresentation
bin10110100100110101…
…11001100111101111
31011021200022001002200
423102122321213233
5144310232423321
65322401552543
7606231005022
oct132232714757
934250261080
1012120201711
11515a5a0a32
122423045753
1311b202c4b7
1482d98b1b9
154ae0b5d26
hex2d26b99ef

12120201711 has 24 divisors (see below), whose sum is σ = 17796543024. Its totient is φ = 7946864640.

The previous prime is 12120201679. The next prime is 12120201713. The reversal of 12120201711 is 11710202121.

It is not a de Polignac number, because 12120201711 - 25 = 12120201679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120201713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370845 + ... + 402201.

It is an arithmetic number, because the mean of its divisors is an integer number (741522626).

Almost surely, 212120201711 is an apocalyptic number.

12120201711 is a deficient number, since it is larger than the sum of its proper divisors (5676341313).

12120201711 is a wasteful number, since it uses less digits than its factorization.

12120201711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32071 (or 32068 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

Adding to 12120201711 its reverse (11710202121), we get a palindrome (23830403832).

The spelling of 12120201711 in words is "twelve billion, one hundred twenty million, two hundred one thousand, seven hundred eleven".

Divisors: 1 3 9 67 201 603 641 1923 5769 31357 42947 94071 128841 282213 386523 2100919 6302757 18908271 20099837 60299511 180898533 1346689079 4040067237 12120201711