13120410212321 has 4 divisors (see below), whose sum is σ = 13690862830272. Its totient is φ = 12549957594372.

The previous prime is 13120410212303. The next prime is 13120410212383. The reversal of 13120410212321 is 12321201402131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13120410212321 - 2³⁰ = 13119336470497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 570452617927 = 13120410212321 / (1 + 3 + 1 + 2 + 0 + 4 + 1 + 0 + 2 + 1 + 2 + 3 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (13120410212521) 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, 285226308941 + ... + 285226308986.

It is an arithmetic number, because the mean of its divisors is an integer number (3422715707568).

Almost surely, 2^{13120410212321} is an apocalyptic number.

It is an amenable number.

13120410212321 is a deficient number, since it is larger than the sum of its proper divisors (570452617951).

13120410212321 is an equidigital number, since it uses as much as digits as its factorization.

13120410212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570452617950.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13120410212321 its reverse (12321201402131), we get a palindrome (25441611614452).

The spelling of 13120410212321 in words is "thirteen trillion, one hundred twenty billion, four hundred ten million, two hundred twelve thousand, three hundred twenty-one".