1320021330000 has 100 divisors (see below), whose sum is σ = 4261204952928. Its totient is φ = 352005680000.

The previous prime is 1320021329999. The next prime is 1320021330073. The reversal of 1320021330000 is 331200231.

It is a tau number, because it is divible by the number of its divisors (100).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21970356 + ... + 22030355.

Almost surely, 2^{1320021330000} is an apocalyptic number.

1320021330000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320021330000 is an abundant number, since it is smaller than the sum of its proper divisors (2941183622928).

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

1320021330000 is an equidigital number, since it uses as much as digits as its factorization.

1320021330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44000742 (or 44000721 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1320021330000 its reverse (331200231), we get a palindrome (1320352530231).

The spelling of 1320021330000 in words is "one trillion, three hundred twenty billion, twenty-one million, three hundred thirty thousand".