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12131201130241 = 24433349650277
BaseRepresentation
bin1011000010001000001111…
…1011110001111100000001
31120221201202021011002100111
42300202003323301330001
53042224144442131431
641444555153351321
72361310321143214
oct260420373617401
946851667132314
1012131201130241
1139578a4861956
12143b136868541
1369cc7639316b
142dd2207cd77b
151608614447b1
hexb0883ef1f01

12131201130241 has 4 divisors (see below), whose sum is σ = 12131251024852. Its totient is φ = 12131151235632.

The previous prime is 12131201130233. The next prime is 12131201130263. The reversal of 12131201130241 is 14203110213121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9052155342400 + 3079045787841 = 3008680^2 + 1754721^2 .

It is a cyclic number.

It is not a de Polignac number, because 12131201130241 - 23 = 12131201130233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12131201139241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24580806 + ... + 25069471.

It is an arithmetic number, because the mean of its divisors is an integer number (3032812756213).

Almost surely, 212131201130241 is an apocalyptic number.

It is an amenable number.

12131201130241 is a deficient number, since it is larger than the sum of its proper divisors (49894611).

12131201130241 is an equidigital number, since it uses as much as digits as its factorization.

12131201130241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49894610.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12131201130241 its reverse (14203110213121), we get a palindrome (26334311343362).

The spelling of 12131201130241 in words is "twelve trillion, one hundred thirty-one billion, two hundred one million, one hundred thirty thousand, two hundred forty-one".

Divisors: 1 244333 49650277 12131201130241