12110111220012 has 48 divisors (see below), whose sum is σ = 30443948206560. Its totient is φ = 3724545742848.

The previous prime is 12110111219951. The next prime is 12110111220013. The reversal of 12110111220012 is 21002211101121.

It is a happy number.

It is a super-2 number, since 2×12110111220012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12110111219973 and 12110111220000.

It is not an unprimeable number, because it can be changed into a prime (12110111220013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16752453 + ... + 17460380.

It is an arithmetic number, because the mean of its divisors is an integer number (634248920970).

Almost surely, 2^{12110111220012} is an apocalyptic number.

12110111220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12110111220012 is an abundant number, since it is smaller than the sum of its proper divisors (18333836986548).

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

12110111220012 is a wasteful number, since it uses less digits than its factorization.

12110111220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34215122 (or 34215120 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12110111220012 its reverse (21002211101121), we get a palindrome (33112322321133).

The spelling of 12110111220012 in words is "twelve trillion, one hundred ten billion, one hundred eleven million, two hundred twenty thousand, twelve".