12110122012 has 12 divisors (see below), whose sum is σ = 22114136016. Its totient is φ = 5791797440.

The previous prime is 12110121997. The next prime is 12110122019. The reversal of 12110122012 is 21022101121.

It is a junction number, because it is equal to n+sod(n) for n = 12110121983 and 12110122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110122019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65815789 + ... + 65815972.

It is an arithmetic number, because the mean of its divisors is an integer number (1842844668).

Almost surely, 2^12110122012 is an apocalyptic number.

It is an amenable number.

12110122012 is a deficient number, since it is larger than the sum of its proper divisors (10004014004).

12110122012 is a wasteful number, since it uses less digits than its factorization.

12110122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131631788 (or 131631786 counting only the distinct ones).

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

Adding to 12110122012 its reverse (21022101121), we get a palindrome (33132223133).

The spelling of 12110122012 in words is "twelve billion, one hundred ten million, one hundred twenty-two thousand, twelve".