212320560000 has 160 divisors (see below), whose sum is σ = 704745815400. Its totient is φ = 56618752000.

The previous prime is 212320559989. The next prime is 212320560007. The reversal of 212320560000 is 65023212.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212320560007) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 202335 + ... + 682334.

Almost surely, 2^212320560000 is an apocalyptic number.

212320560000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212320560000 is an abundant number, since it is smaller than the sum of its proper divisors (492425255400).

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

212320560000 is an frugal number, since it uses more digits than its factorization.

212320560000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884706 (or 884679 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 212320560000 its reverse (65023212), we get a palindrome (212385583212).

The spelling of 212320560000 in words is "two hundred twelve billion, three hundred twenty million, five hundred sixty thousand".