212223011204 has 12 divisors (see below), whose sum is σ = 371534293200. Its totient is φ = 106070356008.

The previous prime is 212223011171. The next prime is 212223011219. The reversal of 212223011204 is 402110322212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10275794 + ... + 10296425.

It is an arithmetic number, because the mean of its divisors is an integer number (30961191100).

Almost surely, 2^212223011204 is an apocalyptic number.

It is an amenable number.

212223011204 is a deficient number, since it is larger than the sum of its proper divisors (159311281996).

212223011204 is a wasteful number, since it uses less digits than its factorization.

212223011204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20574802 (or 20574800 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212223011204 its reverse (402110322212), we get a palindrome (614333333416).

The spelling of 212223011204 in words is "two hundred twelve billion, two hundred twenty-three million, eleven thousand, two hundred four".