212224340404 has 24 divisors (see below), whose sum is σ = 374727725568. Its totient is φ = 105159519360.

The previous prime is 212224340399. The next prime is 212224340417. The reversal of 212224340404 is 404043422212.

212224340404 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4083309 + ... + 4134955.

It is an arithmetic number, because the mean of its divisors is an integer number (15613655232).

Almost surely, 2^212224340404 is an apocalyptic number.

It is an amenable number.

212224340404 is a deficient number, since it is larger than the sum of its proper divisors (162503385164).

212224340404 is a wasteful number, since it uses less digits than its factorization.

212224340404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60855 (or 60853 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 212224340404 its reverse (404043422212), we get a palindrome (616267762616).

The spelling of 212224340404 in words is "two hundred twelve billion, two hundred twenty-four million, three hundred forty thousand, four hundred four".