12001020220000 has 180 divisors, whose sum is σ = 34344608191740. Its totient is φ = 4114635168000.

The previous prime is 12001020219997. The next prime is 12001020220001. The reversal of 12001020220000 is 2202010021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001020220001) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 5142970 + ... + 7102969.

It is an arithmetic number, because the mean of its divisors is an integer number (190803378843).

Almost surely, 2^{12001020220000} is an apocalyptic number.

12001020220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001020220000 is an abundant number, since it is smaller than the sum of its proper divisors (22343587971740).

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

12001020220000 is an equidigital number, since it uses as much as digits as its factorization.

12001020220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12245983 (or 12245953 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12001020220000 its reverse (2202010021), we get a palindrome (12003222230021).

The spelling of 12001020220000 in words is "twelve trillion, one billion, twenty million, two hundred twenty thousand".