13323121323213 has 16 divisors (see below), whose sum is σ = 19214175653120. Its totient is φ = 8163041073984.

The previous prime is 13323121323191. The next prime is 13323121323229. The reversal of 13323121323213 is 31232312132331.

It is not a de Polignac number, because 13323121323213 - 2¹⁴ = 13323121306829 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 (13323121323263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745882981 + ... + 745900842.

It is an arithmetic number, because the mean of its divisors is an integer number (1200885978320).

Almost surely, 2^{13323121323213} is an apocalyptic number.

13323121323213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13323121323213 is a deficient number, since it is larger than the sum of its proper divisors (5891054329907).

13323121323213 is a wasteful number, since it uses less digits than its factorization.

13323121323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491784068.

The product of its digits is 11664, while the sum is 30.

Adding to 13323121323213 its reverse (31232312132331), we get a palindrome (44555433455544).

The spelling of 13323121323213 in words is "thirteen trillion, three hundred twenty-three billion, one hundred twenty-one million, three hundred twenty-three thousand, two hundred thirteen".