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12440125205303 is a prime number
BaseRepresentation
bin1011010100000111000100…
…1111100110101100110111
31122001021010201022002200012
42311001301033212230313
53112304334023032203
642242525320410435
72422524620355245
oct265016117465467
948037121262605
1012440125205303
113a669114018a4
12148ab90916a1b
136c313900a753
14310168c21795
151688e22d3bd8
hexb50713e6b37

12440125205303 has 2 divisors, whose sum is σ = 12440125205304. Its totient is φ = 12440125205302.

The previous prime is 12440125205267. The next prime is 12440125205371. The reversal of 12440125205303 is 30350252104421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12440125205303 - 230 = 12439051463479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12440125205303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12440125205203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220062602651 + 6220062602652.

It is an arithmetic number, because the mean of its divisors is an integer number (6220062602652).

Almost surely, 212440125205303 is an apocalyptic number.

12440125205303 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440125205303 is an equidigital number, since it uses as much as digits as its factorization.

12440125205303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 12440125205303 its reverse (30350252104421), we get a palindrome (42790377309724).

The spelling of 12440125205303 in words is "twelve trillion, four hundred forty billion, one hundred twenty-five million, two hundred five thousand, three hundred three".