13121323212311 has 32 divisors (see below), whose sum is σ = 13628623740480. Its totient is φ = 12624037888000.

The previous prime is 13121323212301. The next prime is 13121323212323. The reversal of 13121323212311 is 11321232312131.

It is a cyclic number.

It is not a de Polignac number, because 13121323212311 - 2⁶ = 13121323212247 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 (13121323212301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1393064960 + ... + 1393074378.

It is an arithmetic number, because the mean of its divisors is an integer number (425894491890).

Almost surely, 2^{13121323212311} is an apocalyptic number.

13121323212311 is a deficient number, since it is larger than the sum of its proper divisors (507300528169).

13121323212311 is a wasteful number, since it uses less digits than its factorization.

13121323212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10867.

The product of its digits is 1296, while the sum is 26.

Adding to 13121323212311 its reverse (11321232312131), we get a palindrome (24442555524442).

The spelling of 13121323212311 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty-three million, two hundred twelve thousand, three hundred eleven".