223231322212 has 12 divisors (see below), whose sum is σ = 391742991360. Its totient is φ = 111304753256.

The previous prime is 223231322207. The next prime is 223231322219. The reversal of 223231322212 is 212223132322.

It is a super-3 number, since 3×223231322212³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223231322219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77725348 + ... + 77728219.

It is an arithmetic number, because the mean of its divisors is an integer number (32645249280).

Almost surely, 2^223231322212 is an apocalyptic number.

It is an amenable number.

223231322212 is a deficient number, since it is larger than the sum of its proper divisors (168511669148).

223231322212 is a wasteful number, since it uses less digits than its factorization.

223231322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155453930 (or 155453928 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

Adding to 223231322212 its reverse (212223132322), we get a palindrome (435454454534).

The spelling of 223231322212 in words is "two hundred twenty-three billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred twelve".