12340135504441 has 2 divisors, whose sum is σ = 12340135504442. Its totient is φ = 12340135504440.

The previous prime is 12340135504429. The next prime is 12340135504517. The reversal of 12340135504441 is 14440553104321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9541741838841 + 2798393665600 = 3088971^2 + 1672840^2 .

It is a cyclic number.

It is not a de Polignac number, because 12340135504441 - 2¹⁹ = 12340134980153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12340135504441.

It is not a weakly prime, because it can be changed into another prime (12340135574441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170067752220 + 6170067752221.

It is an arithmetic number, because the mean of its divisors is an integer number (6170067752221).

Almost surely, 2^{12340135504441} is an apocalyptic number.

It is an amenable number.

12340135504441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340135504441 is an equidigital number, since it uses as much as digits as its factorization.

12340135504441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 12340135504441 its reverse (14440553104321), we get a palindrome (26780688608762).

The spelling of 12340135504441 in words is "twelve trillion, three hundred forty billion, one hundred thirty-five million, five hundred four thousand, four hundred forty-one".