212223044004 has 48 divisors (see below), whose sum is σ = 506906400000. Its totient is φ = 69068149920.

The previous prime is 212223043969. The next prime is 212223044023. The reversal of 212223044004 is 400440322212.

212223044004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1224747 + ... + 1387245.

It is an arithmetic number, because the mean of its divisors is an integer number (10560550000).

Almost surely, 2^212223044004 is an apocalyptic number.

It is an amenable number.

212223044004 is an abundant number, since it is smaller than the sum of its proper divisors (294683355996).

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

212223044004 is a wasteful number, since it uses less digits than its factorization.

212223044004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165080 (or 165078 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 212223044004 its reverse (400440322212), we get a palindrome (612663366216).

The spelling of 212223044004 in words is "two hundred twelve billion, two hundred twenty-three million, forty-four thousand, four".