223213103231212 has 12 divisors (see below), whose sum is σ = 394273612250280. Its totient is φ = 110563499731136.

The previous prime is 223213103231177. The next prime is 223213103231263. The reversal of 223213103231212 is 212132301312322.

It is a super-3 number, since 3×223213103231212³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260762970637 + ... + 260762971492.

It is an arithmetic number, because the mean of its divisors is an integer number (32856134354190).

Almost surely, 2^{223213103231212} is an apocalyptic number.

It is an amenable number.

223213103231212 is a deficient number, since it is larger than the sum of its proper divisors (171060509019068).

223213103231212 is a wasteful number, since it uses less digits than its factorization.

223213103231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521525942240 (or 521525942238 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 223213103231212 its reverse (212132301312322), we get a palindrome (435345404543534).

The spelling of 223213103231212 in words is "two hundred twenty-three trillion, two hundred thirteen billion, one hundred three million, two hundred thirty-one thousand, two hundred twelve".