12000221021120 has 28 divisors (see below), whose sum is σ = 28575526307304. Its totient is φ = 4800088408320.

The previous prime is 12000221021099. The next prime is 12000221021123. The reversal of 12000221021120 is 2112012200021.

It is a junction number, because it is equal to n+sod(n) for n = 12000221021095 and 12000221021104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000221021123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18750345026 + ... + 18750345665.

Almost surely, 2^{12000221021120} is an apocalyptic number.

12000221021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000221021120 is an abundant number, since it is smaller than the sum of its proper divisors (16575305286184).

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

12000221021120 is an equidigital number, since it uses as much as digits as its factorization.

12000221021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37500690708 (or 37500690698 counting only the distinct ones).

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

Adding to 12000221021120 its reverse (2112012200021), we get a palindrome (14112233221141).

The spelling of 12000221021120 in words is "twelve trillion, two hundred twenty-one million, twenty-one thousand, one hundred twenty".