12002112012012 has 24 divisors (see below), whose sum is σ = 29222533595136. Its totient is φ = 3826760351568.

The previous prime is 12002112011983. The next prime is 12002112012013. The reversal of 12002112012012 is 21021021120021.

It is a junction number, because it is equal to n+sod(n) for n = 12002112011982 and 12002112012000.

It is not an unprimeable number, because it can be changed into a prime (12002112012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21742956268 + ... + 21742956819.

It is an arithmetic number, because the mean of its divisors is an integer number (1217605566464).

Almost surely, 2^{12002112012012} is an apocalyptic number.

12002112012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12002112012012 is an abundant number, since it is smaller than the sum of its proper divisors (17220421583124).

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

12002112012012 is a wasteful number, since it uses less digits than its factorization.

12002112012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43485913117 (or 43485913115 counting only the distinct ones).

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

Adding to 12002112012012 its reverse (21021021120021), we get a palindrome (33023133132033).

The spelling of 12002112012012 in words is "twelve trillion, two billion, one hundred twelve million, twelve thousand, twelve".