320143212412300 has 144 divisors (see below), whose sum is σ = 712317710748672. Its totient is φ = 124833848204800.

The previous prime is 320143212412297. The next prime is 320143212412301. The reversal of 320143212412300 is 3214212341023.

It is not an unprimeable number, because it can be changed into a prime (320143212412301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3200006079 + ... + 3200106121.

It is an arithmetic number, because the mean of its divisors is an integer number (4946650769088).

Almost surely, 2^{320143212412300} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320143212412300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356158855374336).

320143212412300 is an abundant number, since it is smaller than the sum of its proper divisors (392174498336372).

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

320143212412300 is a wasteful number, since it uses less digits than its factorization.

320143212412300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102808 (or 102801 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 320143212412300 its reverse (3214212341023), we get a palindrome (323357424753323).

The spelling of 320143212412300 in words is "three hundred twenty trillion, one hundred forty-three billion, two hundred twelve million, four hundred twelve thousand, three hundred".