12000221001012 has 24 divisors (see below), whose sum is σ = 28001402618112. Its totient is φ = 3999946960000.

The previous prime is 12000221001011. The next prime is 12000221001047. The reversal of 12000221001012 is 21010012200021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000221001011) 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, 15443364 + ... + 16201787.

It is an arithmetic number, because the mean of its divisors is an integer number (1166725109088).

Almost surely, 2^{12000221001012} is an apocalyptic number.

12000221001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12000221001012 is an abundant number, since it is smaller than the sum of its proper divisors (16001181617100).

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

12000221001012 is a wasteful number, since it uses less digits than its factorization.

12000221001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31676759 (or 31676757 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12000221001012 its reverse (21010012200021), we get a palindrome (33010233201033).

The spelling of 12000221001012 in words is "twelve trillion, two hundred twenty-one million, one thousand, twelve".