223331232221212 has 12 divisors (see below), whose sum is σ = 390829761292600. Its totient is φ = 111665586137616.

The previous prime is 223331232221117. The next prime is 223331232221221. The reversal of 223331232221212 is 212122232133322.

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, 23696914 + ... + 31752262.

Almost surely, 2^{223331232221212} is an apocalyptic number.

It is an amenable number.

223331232221212 is a deficient number, since it is larger than the sum of its proper divisors (167498529071388).

223331232221212 is a wasteful number, since it uses less digits than its factorization.

223331232221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14986500 (or 14986498 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

Adding to 223331232221212 its reverse (212122232133322), we get a palindrome (435453464354534).

The spelling of 223331232221212 in words is "two hundred twenty-three trillion, three hundred thirty-one billion, two hundred thirty-two million, two hundred twenty-one thousand, two hundred twelve".