12101110012 has 12 divisors (see below), whose sum is σ = 21188025936. Its totient is φ = 6047388320.

The previous prime is 12101110003. The next prime is 12101110039. The reversal of 12101110012 is 21001110121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783064 + ... + 798367.

It is an arithmetic number, because the mean of its divisors is an integer number (1765668828).

Almost surely, 2^12101110012 is an apocalyptic number.

It is an amenable number.

12101110012 is a deficient number, since it is larger than the sum of its proper divisors (9086915924).

12101110012 is a wasteful number, since it uses less digits than its factorization.

12101110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583348 (or 1583346 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12101110012 its reverse (21001110121), we get a palindrome (33102220133).

The spelling of 12101110012 in words is "twelve billion, one hundred one million, one hundred ten thousand, twelve".