12000020212012 has 12 divisors (see below), whose sum is σ = 24000040424080. Its totient is φ = 5142865805136.

The previous prime is 12000020212003. The next prime is 12000020212043. The reversal of 12000020212012 is 21021202000021.

It is a happy number.

12000020212012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12000020211983 and 12000020212001.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 214286075187 + ... + 214286075242.

Almost surely, 2^{12000020212012} is an apocalyptic number.

It is an amenable number.

12000020212012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12000020212012 is a wasteful number, since it uses less digits than its factorization.

12000020212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428572150440 (or 428572150438 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12000020212012 its reverse (21021202000021), we get a palindrome (33021222212033).

The spelling of 12000020212012 in words is "twelve trillion, twenty million, two hundred twelve thousand, twelve".