13021123210013 has 16 divisors (see below), whose sum is σ = 13077490339200. Its totient is φ = 12964889246400.

The previous prime is 13021123209761. The next prime is 13021123210019. The reversal of 13021123210013 is 31001232112031.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13021123210013 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 (13021123210019) 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, 1687325831 + ... + 1687333547.

It is an arithmetic number, because the mean of its divisors is an integer number (817343146200).

Almost surely, 2^{13021123210013} is an apocalyptic number.

It is an amenable number.

13021123210013 is a deficient number, since it is larger than the sum of its proper divisors (56367129187).

13021123210013 is an equidigital number, since it uses as much as digits as its factorization.

13021123210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15428.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13021123210013 its reverse (31001232112031), we get a palindrome (44022355322044).

The spelling of 13021123210013 in words is "thirteen trillion, twenty-one billion, one hundred twenty-three million, two hundred ten thousand, thirteen".