13120141343321 has 4 divisors (see below), whose sum is σ = 13164919983012. Its totient is φ = 13075362703632.

The previous prime is 13120141343293. The next prime is 13120141343339. The reversal of 13120141343321 is 12334314102131.

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 7131377975296 + 5988763368025 = 2670464^2 + 2447195^2 .

It is a cyclic number.

It is not a de Polignac number, because 13120141343321 - 2¹⁴ = 13120141326937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120141343341) 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, 22389319406 + ... + 22389319991.

It is an arithmetic number, because the mean of its divisors is an integer number (3291229995753).

Almost surely, 2^{13120141343321} is an apocalyptic number.

It is an amenable number.

13120141343321 is a deficient number, since it is larger than the sum of its proper divisors (44778639691).

13120141343321 is an equidigital number, since it uses as much as digits as its factorization.

13120141343321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44778639690.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 13120141343321 its reverse (12334314102131), we get a palindrome (25454455445452).

The spelling of 13120141343321 in words is "thirteen trillion, one hundred twenty billion, one hundred forty-one million, three hundred forty-three thousand, three hundred twenty-one".