12012102023112 has 48 divisors (see below), whose sum is σ = 32544645791580. Its totient is φ = 4002573148800.

The previous prime is 12012102023111. The next prime is 12012102023137. The reversal of 12012102023112 is 21132020121021.

12012102023112 is a `hidden beast` number, since 1 + 201 + 210 + 20 + 231 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12012005315556 + 96707556 = 3465834^2 + 9834^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12012102023111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30235839 + ... + 30630542.

Almost surely, 2^{12012102023112} is an apocalyptic number.

12012102023112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012102023112 is an abundant number, since it is smaller than the sum of its proper divisors (20532543768468).

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

12012102023112 is a wasteful number, since it uses less digits than its factorization.

12012102023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60869134 (or 60869127 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12012102023112 its reverse (21132020121021), we get a palindrome (33144122144133).

The spelling of 12012102023112 in words is "twelve trillion, twelve billion, one hundred two million, twenty-three thousand, one hundred twelve".