12012112200012 has 24 divisors (see below), whose sum is σ = 28150655962800. Its totient is φ = 3986552519616.

The previous prime is 12012112199977. The next prime is 12012112200017. The reversal of 12012112200012 is 21000221121021.

It is a junction number, because it is equal to n+sod(n) for n = 12012112199964 and 12012112200000.

It is not an unprimeable number, because it can be changed into a prime (12012112200017) 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, 2185607187 + ... + 2185612682.

It is an arithmetic number, because the mean of its divisors is an integer number (1172943998450).

Almost surely, 2^{12012112200012} is an apocalyptic number.

12012112200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012112200012 is an abundant number, since it is smaller than the sum of its proper divisors (16138543762788).

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

12012112200012 is a wasteful number, since it uses less digits than its factorization.

12012112200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371220105 (or 4371220103 counting only the distinct ones).

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

Adding to 12012112200012 its reverse (21000221121021), we get a palindrome (33012333321033).

The spelling of 12012112200012 in words is "twelve trillion, twelve billion, one hundred twelve million, two hundred thousand, twelve".