12111220000012 has 24 divisors (see below), whose sum is σ = 24223791271680. Its totient is φ = 5190233298960.

The previous prime is 12111219999997. The next prime is 12111220000063. The reversal of 12111220000012 is 21000002211121.

12111220000012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12111219999947 and 12111220000001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11553664 + ... + 12558247.

It is an arithmetic number, because the mean of its divisors is an integer number (1009324636320).

Almost surely, 2^{12111220000012} is an apocalyptic number.

It is an amenable number.

12111220000012 is an abundant number, since it is smaller than the sum of its proper divisors (12112571271668).

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

12111220000012 is a wasteful number, since it uses less digits than its factorization.

12111220000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24129861 (or 24129859 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12111220000012 its reverse (21000002211121), we get a palindrome (33111222211133).

The spelling of 12111220000012 in words is "twelve trillion, one hundred eleven billion, two hundred twenty million, twelve", and thus it is an aban number.