212213344000 has 144 divisors (see below), whose sum is σ = 604172028096. Its totient is φ = 72758784000.

The previous prime is 212213343997. The next prime is 212213344073. The reversal of 212213344000 is 443312212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249691 + ... + 697690.

It is an arithmetic number, because the mean of its divisors is an integer number (4195639084).

Almost surely, 2^212213344000 is an apocalyptic number.

212213344000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212213344000 is an abundant number, since it is smaller than the sum of its proper divisors (391958684096).

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

212213344000 is an frugal number, since it uses more digits than its factorization.

212213344000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947419 (or 947395 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 212213344000 its reverse (443312212), we get a palindrome (212656656212).

The spelling of 212213344000 in words is "two hundred twelve billion, two hundred thirteen million, three hundred forty-four thousand".