213321788800 has 48 divisors (see below), whose sum is σ = 526971489300. Its totient is φ = 85328714240.

The previous prime is 213321788791. The next prime is 213321788821. The reversal of 213321788800 is 8887123312.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 33328330 + ... + 33334729.

Almost surely, 2^213321788800 is an apocalyptic number.

213321788800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213321788800 is an abundant number, since it is smaller than the sum of its proper divisors (313649700500).

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

213321788800 is an equidigital number, since it uses as much as digits as its factorization.

213321788800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66663083 (or 66663066 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 213321788800 in words is "two hundred thirteen billion, three hundred twenty-one million, seven hundred eighty-eight thousand, eight hundred".