13210121333213 has 4 divisors (see below), whose sum is σ = 15097281523680. Its totient is φ = 11322961142748.

The previous prime is 13210121333203. The next prime is 13210121333261. The reversal of 13210121333213 is 31233312101231.

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 13210121333213 - 2⁸ = 13210121332957 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 (13210121333203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943580095223 + ... + 943580095236.

It is an arithmetic number, because the mean of its divisors is an integer number (3774320380920).

Almost surely, 2^{13210121333213} is an apocalyptic number.

It is an amenable number.

13210121333213 is a deficient number, since it is larger than the sum of its proper divisors (1887160190467).

13210121333213 is an equidigital number, since it uses as much as digits as its factorization.

13210121333213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887160190466.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13210121333213 its reverse (31233312101231), we get a palindrome (44443433434444).

The spelling of 13210121333213 in words is "thirteen trillion, two hundred ten billion, one hundred twenty-one million, three hundred thirty-three thousand, two hundred thirteen".