212224031224 has 16 divisors (see below), whose sum is σ = 398467414800. Its totient is φ = 105966053952.

The previous prime is 212224031209. The next prime is 212224031269. The reversal of 212224031224 is 422130422212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18239029 + ... + 18250660.

It is an arithmetic number, because the mean of its divisors is an integer number (24904213425).

Almost surely, 2^212224031224 is an apocalyptic number.

It is an amenable number.

212224031224 is a deficient number, since it is larger than the sum of its proper divisors (186243383576).

212224031224 is a wasteful number, since it uses less digits than its factorization.

212224031224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36490422 (or 36490418 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 212224031224 its reverse (422130422212), we get a palindrome (634354453436).

The spelling of 212224031224 in words is "two hundred twelve billion, two hundred twenty-four million, thirty-one thousand, two hundred twenty-four".