13310020012123 has 4 divisors (see below), whose sum is σ = 13335567076008. Its totient is φ = 13284472948240.

The previous prime is 13310020012109. The next prime is 13310020012139. The reversal of 13310020012123 is 32121002001331.

13310020012123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13310020012123 - 2⁹ = 13310020011611 is a prime.

It is a super-2 number, since 2×13310020012123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13310020012123.

It is not an unprimeable number, because it can be changed into a prime (13310020013123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12773531161 + ... + 12773532202.

It is an arithmetic number, because the mean of its divisors is an integer number (3333891769002).

Almost surely, 2^{13310020012123} is an apocalyptic number.

13310020012123 is a deficient number, since it is larger than the sum of its proper divisors (25547063885).

13310020012123 is an equidigital number, since it uses as much as digits as its factorization.

13310020012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25547063884.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13310020012123 its reverse (32121002001331), we get a palindrome (45431022013454).

The spelling of 13310020012123 in words is "thirteen trillion, three hundred ten billion, twenty million, twelve thousand, one hundred twenty-three".