13032134122421 has 4 divisors (see below), whose sum is σ = 13099658133612. Its totient is φ = 12964610111232.

The previous prime is 13032134122379. The next prime is 13032134122471. The reversal of 13032134122421 is 12422143123031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1019595062500 + 12012539059921 = 1009750^2 + 3465911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13032134122421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13032134122471) 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, 33762005306 + ... + 33762005691.

It is an arithmetic number, because the mean of its divisors is an integer number (3274914533403).

Almost surely, 2^{13032134122421} is an apocalyptic number.

It is an amenable number.

13032134122421 is a deficient number, since it is larger than the sum of its proper divisors (67524011191).

13032134122421 is an equidigital number, since it uses as much as digits as its factorization.

13032134122421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67524011190.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 13032134122421 its reverse (12422143123031), we get a palindrome (25454277245452).

The spelling of 13032134122421 in words is "thirteen trillion, thirty-two billion, one hundred thirty-four million, one hundred twenty-two thousand, four hundred twenty-one".