13122013218 has 8 divisors (see below), whose sum is σ = 26244026448. Its totient is φ = 4374004404.

The previous prime is 13122013217. The next prime is 13122013241. The reversal of 13122013218 is 81231022131.

It is a sphenic number, since it is the product of 3 distinct primes.

13122013218 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13122013217) 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, 1093501096 + ... + 1093501107.

It is an arithmetic number, because the mean of its divisors is an integer number (3280503306).

Almost surely, 2^13122013218 is an apocalyptic number.

13122013218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13122013218 is a wasteful number, since it uses less digits than its factorization.

13122013218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187002208.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 13122013218 its reverse (81231022131), we get a palindrome (94353035349).

The spelling of 13122013218 in words is "thirteen billion, one hundred twenty-two million, thirteen thousand, two hundred eighteen".