12000212012112 has 40 divisors (see below), whose sum is σ = 31082343385440. Its totient is φ = 3989516388480.

The previous prime is 12000212012111. The next prime is 12000212012123. The reversal of 12000212012112 is 21121021200021.

It is a junction number, because it is equal to n+sod(n) for n = 12000212012091 and 12000212012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000212012111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329802939 + ... + 329839322.

It is an arithmetic number, because the mean of its divisors is an integer number (777058584636).

Almost surely, 2^{12000212012112} is an apocalyptic number.

12000212012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12000212012112 is an abundant number, since it is smaller than the sum of its proper divisors (19082131373328).

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

12000212012112 is a wasteful number, since it uses less digits than its factorization.

12000212012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659642651 (or 659642645 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12000212012112 its reverse (21121021200021), we get a palindrome (33121233212133).

The spelling of 12000212012112 in words is "twelve trillion, two hundred twelve million, twelve thousand, one hundred twelve".