12011020110112 has 48 divisors (see below), whose sum is σ = 23948421033600. Its totient is φ = 5928983177472.

The previous prime is 12011020110091. The next prime is 12011020110169. The reversal of 12011020110112 is 21101102011021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12011020110092 and 12011020110101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2190514 + ... + 5368462.

It is an arithmetic number, because the mean of its divisors is an integer number (498925438200).

Almost surely, 2^{12011020110112} is an apocalyptic number.

It is an amenable number.

12011020110112 is a deficient number, since it is larger than the sum of its proper divisors (11937400923488).

12011020110112 is a wasteful number, since it uses less digits than its factorization.

12011020110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179465 (or 3179457 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011020110112 its reverse (21101102011021), we get a palindrome (33112122121133).

The spelling of 12011020110112 in words is "twelve trillion, eleven billion, twenty million, one hundred ten thousand, one hundred twelve".