2043012321320 has 128 divisors (see below), whose sum is σ = 4940357184000. Its totient is φ = 758035872000.

The previous prime is 2043012321319. The next prime is 2043012321331. The reversal of 2043012321320 is 231232103402.

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 31 ways as a sum of consecutive naturals, for example, 11164079 + ... + 11345601.

It is an arithmetic number, because the mean of its divisors is an integer number (38596540500).

Almost surely, 2^{2043012321320} is an apocalyptic number.

2043012321320 is a gapful number since it is divisible by the number (20) 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 2043012321320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2470178592000).

2043012321320 is an abundant number, since it is smaller than the sum of its proper divisors (2897344862680).

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

2043012321320 is a wasteful number, since it uses less digits than its factorization.

2043012321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181863 (or 181859 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2043012321320 its reverse (231232103402), we get a palindrome (2274244424722).

The spelling of 2043012321320 in words is "two trillion, forty-three billion, twelve million, three hundred twenty-one thousand, three hundred twenty".