212200343344 has 20 divisors (see below), whose sum is σ = 448514362440. Its totient is φ = 96454701440.

The previous prime is 212200343273. The next prime is 212200343417. The reversal of 212200343344 is 443343002212.

It is a super-2 number, since 2×212200343344² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602841709 + ... + 602842060.

It is an arithmetic number, because the mean of its divisors is an integer number (22425718122).

Almost surely, 2^212200343344 is an apocalyptic number.

It is an amenable number.

212200343344 is an abundant number, since it is smaller than the sum of its proper divisors (236314019096).

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

212200343344 is a wasteful number, since it uses less digits than its factorization.

212200343344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205683788 (or 1205683782 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 212200343344 its reverse (443343002212), we get a palindrome (655543345556).

The spelling of 212200343344 in words is "two hundred twelve billion, two hundred million, three hundred forty-three thousand, three hundred forty-four".