12130220110218 has 64 divisors (see below), whose sum is σ = 27939059647488. Its totient is φ = 3439174152960.

The previous prime is 12130220110189. The next prime is 12130220110219. The reversal of 12130220110218 is 81201102203121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12130220110219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244797721 + ... + 244847267.

It is an arithmetic number, because the mean of its divisors is an integer number (436547806992).

Almost surely, 2^{12130220110218} is an apocalyptic number.

12130220110218 is an abundant number, since it is smaller than the sum of its proper divisors (15808839537270).

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

12130220110218 is a wasteful number, since it uses less digits than its factorization.

12130220110218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94187.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 12130220110218 its reverse (81201102203121), we get a palindrome (93331322313339).

The spelling of 12130220110218 in words is "twelve trillion, one hundred thirty billion, two hundred twenty million, one hundred ten thousand, two hundred eighteen".