12012111200112 has 40 divisors (see below), whose sum is σ = 31032855932304. Its totient is φ = 4003834658304.

The previous prime is 12012111200081. The next prime is 12012111200191. The reversal of 12012111200112 is 21100211121021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12012111200091 and 12012111200100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5364333 + ... + 7266380.

Almost surely, 2^{12012111200112} is an apocalyptic number.

12012111200112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012111200112 is an abundant number, since it is smaller than the sum of its proper divisors (19020744732192).

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

12012111200112 is a wasteful number, since it uses less digits than its factorization.

12012111200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12650537 (or 12650531 counting only the distinct ones).

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

Adding to 12012111200112 its reverse (21100211121021), we get a palindrome (33112322321133).

The spelling of 12012111200112 in words is "twelve trillion, twelve billion, one hundred eleven million, two hundred thousand, one hundred twelve".