223211120312 has 16 divisors (see below), whose sum is σ = 418554591840. Its totient is φ = 111596562496.

The previous prime is 223211120299. The next prime is 223211120323. The reversal of 223211120312 is 213021112322.

It is a super-3 number, since 3×223211120312³ (a number of 35 digits) contains 333 as substring.

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, 1018688 + ... + 1218255.

It is an arithmetic number, because the mean of its divisors is an integer number (26159661990).

Almost surely, 2^223211120312 is an apocalyptic number.

It is an amenable number.

223211120312 is a deficient number, since it is larger than the sum of its proper divisors (195343471528).

223211120312 is a wasteful number, since it uses less digits than its factorization.

223211120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249422 (or 2249418 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 223211120312 its reverse (213021112322), we get a palindrome (436232232634).

The spelling of 223211120312 in words is "two hundred twenty-three billion, two hundred eleven million, one hundred twenty thousand, three hundred twelve".