1001302320000 has 320 divisors, whose sum is σ = 3331120700160. Its totient is φ = 266407680000.

The previous prime is 1001302319989. The next prime is 1001302320037. The reversal of 1001302320000 is 232031001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 111115495 + ... + 111124505.

It is an arithmetic number, because the mean of its divisors is an integer number (10409752188).

Almost surely, 2^{1001302320000} is an apocalyptic number.

1001302320000 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 1001302320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665560350080).

1001302320000 is an abundant number, since it is smaller than the sum of its proper divisors (2329818380160).

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

1001302320000 is an frugal number, since it uses more digits than its factorization.

1001302320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9511 (or 9484 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1001302320000 its reverse (232031001), we get a palindrome (1001534351001).

The spelling of 1001302320000 in words is "one trillion, one billion, three hundred two million, three hundred twenty thousand".