13320002112123 has 16 divisors (see below), whose sum is σ = 20297915548160. Its totient is φ = 7611141226176.

The previous prime is 13320002112107. The next prime is 13320002112139. The reversal of 13320002112123 is 32121120002331.

It is an interprime number because it is at equal distance from previous prime (13320002112107) and next prime (13320002112139).

It is not a de Polignac number, because 13320002112123 - 2⁴ = 13320002112107 is a prime.

It is a super-2 number, since 2×13320002112123² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 13320002112123.

It is not an unprimeable number, because it can be changed into a prime (13320002112523) 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, 11455258 + ... + 12564351.

It is an arithmetic number, because the mean of its divisors is an integer number (1268619721760).

Almost surely, 2^{13320002112123} is an apocalyptic number.

13320002112123 is a deficient number, since it is larger than the sum of its proper divisors (6977913436037).

13320002112123 is a wasteful number, since it uses less digits than its factorization.

13320002112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24046026.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13320002112123 its reverse (32121120002331), we get a palindrome (45441122114454).

The spelling of 13320002112123 in words is "thirteen trillion, three hundred twenty billion, two million, one hundred twelve thousand, one hundred twenty-three".