13124243122426 has 8 divisors (see below), whose sum is σ = 19956040912404. Its totient is φ = 6472229484960.

The previous prime is 13124243122409. The next prime is 13124243122427. The reversal of 13124243122426 is 62422134242131.

It can be written as a sum of positive squares in 2 ways, for example, as 12889356530625 + 234886591801 = 3590175^2 + 484651^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13124243122427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44946037945 + ... + 44946038236.

Almost surely, 2^{13124243122426} is an apocalyptic number.

13124243122426 is a deficient number, since it is larger than the sum of its proper divisors (6831797789978).

13124243122426 is an equidigital number, since it uses as much as digits as its factorization.

13124243122426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89892076256.

The product of its digits is 110592, while the sum is 37.

Adding to 13124243122426 its reverse (62422134242131), we get a palindrome (75546377364557).

The spelling of 13124243122426 in words is "thirteen trillion, one hundred twenty-four billion, two hundred forty-three million, one hundred twenty-two thousand, four hundred twenty-six".