12111320113042 has 16 divisors (see below), whose sum is σ = 18753714542592. Its totient is φ = 5860096572960.

The previous prime is 12111320113007. The next prime is 12111320113049. The reversal of 12111320113042 is 24031102311121.

It is not an unprimeable number, because it can be changed into a prime (12111320113049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1986243 + ... + 5307334.

It is an arithmetic number, because the mean of its divisors is an integer number (1172107158912).

Almost surely, 2^{12111320113042} is an apocalyptic number.

12111320113042 is a deficient number, since it is larger than the sum of its proper divisors (6642394429550).

12111320113042 is a wasteful number, since it uses less digits than its factorization.

12111320113042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320393.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12111320113042 its reverse (24031102311121), we get a palindrome (36142422424163).

The spelling of 12111320113042 in words is "twelve trillion, one hundred eleven billion, three hundred twenty million, one hundred thirteen thousand, forty-two".