12012021212000 has 96 divisors (see below), whose sum is σ = 30531244554720. Its totient is φ = 4639125388800.

The previous prime is 12012021211999. The next prime is 12012021212057. The reversal of 12012021212000 is 21212021021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51659954 + ... + 51891953.

It is an arithmetic number, because the mean of its divisors is an integer number (318033797445).

Almost surely, 2^{12012021212000} is an apocalyptic number.

12012021212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012021212000 is an abundant number, since it is smaller than the sum of its proper divisors (18519223342720).

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

12012021212000 is a wasteful number, since it uses less digits than its factorization.

12012021212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103551961 (or 103551943 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12012021212000 its reverse (21212021021), we get a palindrome (12033233233021).

The spelling of 12012021212000 in words is "twelve trillion, twelve billion, twenty-one million, two hundred twelve thousand".