12222021120000 has 520 divisors, whose sum is σ = 41181916255920. Its totient is φ = 3222405120000.

The previous prime is 12222021119989. The next prime is 12222021120011. The reversal of 12222021120000 is 2112022221.

It is an interprime number because it is at equal distance from previous prime (12222021119989) and next prime (12222021120011).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 683511060 + ... + 683528940.

Almost surely, 2^{12222021120000} is an apocalyptic number.

12222021120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222021120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20590958127960).

12222021120000 is an abundant number, since it is smaller than the sum of its proper divisors (28959895135920).

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

12222021120000 is an frugal number, since it uses more digits than its factorization.

12222021120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18017 (or 17980 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12222021120000 its reverse (2112022221), we get a palindrome (12224133142221).

The spelling of 12222021120000 in words is "twelve trillion, two hundred twenty-two billion, twenty-one million, one hundred twenty thousand".