12111112110004 has 24 divisors (see below), whose sum is σ = 22441310091648. Its totient is φ = 5699313409920.

The previous prime is 12111112109963. The next prime is 12111112110007. The reversal of 12111112110004 is 40001121111121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12111112110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111112110007) 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, 14147269 + ... + 14978899.

It is an arithmetic number, because the mean of its divisors is an integer number (935054587152).

Almost surely, 2^{12111112110004} is an apocalyptic number.

It is an amenable number.

12111112110004 is a deficient number, since it is larger than the sum of its proper divisors (10330197981644).

12111112110004 is a wasteful number, since it uses less digits than its factorization.

12111112110004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045815 (or 1045813 counting only the distinct ones).

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

Adding to 12111112110004 its reverse (40001121111121), we get a palindrome (52112233221125).

The spelling of 12111112110004 in words is "twelve trillion, one hundred eleven billion, one hundred twelve million, one hundred ten thousand, four".