13121322514 has 4 divisors (see below), whose sum is σ = 19681983774. Its totient is φ = 6560661256.

The previous prime is 13121322481. The next prime is 13121322521. The reversal of 13121322514 is 41522312131.

13121322514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41522312131 = 19 ⋅2185384849.

It can be written as a sum of positive squares in only one way, i.e., 6803775225 + 6317547289 = 82485^2 + 79483^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280330627 + ... + 3280330630.

Almost surely, 2^13121322514 is an apocalyptic number.

13121322514 is a deficient number, since it is larger than the sum of its proper divisors (6560661260).

13121322514 is an equidigital number, since it uses as much as digits as its factorization.

13121322514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560661259.

The product of its digits is 1440, while the sum is 25.

Adding to 13121322514 its reverse (41522312131), we get a palindrome (54643634645).

The spelling of 13121322514 in words is "thirteen billion, one hundred twenty-one million, three hundred twenty-two thousand, five hundred fourteen".