212224043238 has 32 divisors (see below), whose sum is σ = 441680342400. Its totient is φ = 67925073216.

The previous prime is 212224043237. The next prime is 212224043287. The reversal of 212224043238 is 832340422212.

212224043238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212224043199 and 212224043208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212224043237) by changing a digit.

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, 6955743 + ... + 6986186.

It is an arithmetic number, because the mean of its divisors is an integer number (13802510700).

Almost surely, 2^212224043238 is an apocalyptic number.

212224043238 is an abundant number, since it is smaller than the sum of its proper divisors (229456299162).

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

212224043238 is a wasteful number, since it uses less digits than its factorization.

212224043238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13942036.

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 212224043238 in words is "two hundred twelve billion, two hundred twenty-four million, forty-three thousand, two hundred thirty-eight".