13213123220103 has 16 divisors (see below), whose sum is σ = 18670825490400. Its totient is φ = 8283029574656.

The previous prime is 13213123220041. The next prime is 13213123220111. The reversal of 13213123220103 is 30102232131231.

It is a cyclic number.

It is not a de Polignac number, because 13213123220103 - 2³⁸ = 12938245313159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213123220603) 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, 118030128 + ... + 118142021.

It is an arithmetic number, because the mean of its divisors is an integer number (1166926593150).

Almost surely, 2^{13213123220103} is an apocalyptic number.

13213123220103 is a deficient number, since it is larger than the sum of its proper divisors (5457702270297).

13213123220103 is a wasteful number, since it uses less digits than its factorization.

13213123220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236173266.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13213123220103 its reverse (30102232131231), we get a palindrome (43315355351334).

The spelling of 13213123220103 in words is "thirteen trillion, two hundred thirteen billion, one hundred twenty-three million, two hundred twenty thousand, one hundred three".