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12441012131 = 17731824243
BaseRepresentation
bin10111001011000101…
…01100011110100011
31012010000221220021002
423211202230132203
5200434344342011
65414302022215
7620204600252
oct134542543643
935100856232
1012441012131
115304699609
1224b257796b
131233635552
1486041a799
154cc335c3b
hex2e58ac7a3

12441012131 has 4 divisors (see below), whose sum is σ = 13172836392. Its totient is φ = 11709187872.

The previous prime is 12441012083. The next prime is 12441012139. The reversal of 12441012131 is 13121014421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13121014421 = 107122626303.

It is a cyclic number.

It is not a de Polignac number, because 12441012131 - 218 = 12440749987 is a prime.

It is a super-2 number, since 2×124410121312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12441012139) 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, 365912105 + ... + 365912138.

It is an arithmetic number, because the mean of its divisors is an integer number (3293209098).

Almost surely, 212441012131 is an apocalyptic number.

12441012131 is a deficient number, since it is larger than the sum of its proper divisors (731824261).

12441012131 is an equidigital number, since it uses as much as digits as its factorization.

12441012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731824260.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12441012131 its reverse (13121014421), we get a palindrome (25562026552).

The spelling of 12441012131 in words is "twelve billion, four hundred forty-one million, twelve thousand, one hundred thirty-one".

Divisors: 1 17 731824243 12441012131