12262016013505 has 12 divisors (see below), whose sum is σ = 15082060872636. Its totient is φ = 9570353955200.

The previous prime is 12262016013497. The next prime is 12262016013509. The reversal of 12262016013505 is 50531061026221.

It can be written as a sum of positive squares in 6 ways, for example, as 7997080623921 + 4264935389584 = 2827911^2 + 2065172^2 .

It is not a de Polignac number, because 12262016013505 - 2³ = 12262016013497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12262016013509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729439306 + ... + 729456115.

It is an arithmetic number, because the mean of its divisors is an integer number (1256838406053).

Almost surely, 2^{12262016013505} is an apocalyptic number.

It is an amenable number.

12262016013505 is a deficient number, since it is larger than the sum of its proper divisors (2820044859131).

12262016013505 is an equidigital number, since it uses as much as digits as its factorization.

12262016013505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458895508 (or 1458895467 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 12262016013505 its reverse (50531061026221), we get a palindrome (62793077039726).

The spelling of 12262016013505 in words is "twelve trillion, two hundred sixty-two billion, sixteen million, thirteen thousand, five hundred five".