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12120201113 = 22515384363
BaseRepresentation
bin10110100100110101…
…11001011110011001
31011021200022000021112
423102122321132121
5144310232413423
65322401550105
7606231003206
oct132232713631
934250260245
1012120201113
11515a5a0539
122423045335
1311b202c147
1482d98acad
154ae0b5a78
hex2d26b9799

12120201113 has 4 divisors (see below), whose sum is σ = 12125587728. Its totient is φ = 12114814500.

The previous prime is 12120201109. The next prime is 12120201127. The reversal of 12120201113 is 31110202121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12120201113 - 22 = 12120201109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120201103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2689931 + ... + 2694432.

It is an arithmetic number, because the mean of its divisors is an integer number (3031396932).

Almost surely, 212120201113 is an apocalyptic number.

It is an amenable number.

12120201113 is a deficient number, since it is larger than the sum of its proper divisors (5386615).

12120201113 is an equidigital number, since it uses as much as digits as its factorization.

12120201113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386614.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12120201113 its reverse (31110202121), we get a palindrome (43230403234).

The spelling of 12120201113 in words is "twelve billion, one hundred twenty million, two hundred one thousand, one hundred thirteen".

Divisors: 1 2251 5384363 12120201113