13313442212123 has 4 divisors (see below), whose sum is σ = 13314411957240. Its totient is φ = 13312472467008.

The previous prime is 13313442212111. The next prime is 13313442212143. The reversal of 13313442212123 is 32121224431331.

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 13313442212123 - 2¹⁰ = 13313442211099 is a prime.

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 13313442212123.

It is not an unprimeable number, because it can be changed into a prime (13313442212143) 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, 484851965 + ... + 484879422.

It is an arithmetic number, because the mean of its divisors is an integer number (3328602989310).

Almost surely, 2^{13313442212123} is an apocalyptic number.

13313442212123 is a deficient number, since it is larger than the sum of its proper divisors (969745117).

13313442212123 is an equidigital number, since it uses as much as digits as its factorization.

13313442212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969745116.

The product of its digits is 20736, while the sum is 32.

Adding to 13313442212123 its reverse (32121224431331), we get a palindrome (45434666643454).

The spelling of 13313442212123 in words is "thirteen trillion, three hundred thirteen billion, four hundred forty-two million, two hundred twelve thousand, one hundred twenty-three".