223012313212 has 12 divisors (see below), whose sum is σ = 420292436536. Its totient is φ = 102928759920.

The previous prime is 223012313201. The next prime is 223012313257. The reversal of 223012313212 is 212313210322.

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, 2144349114 + ... + 2144349217.

Almost surely, 2^223012313212 is an apocalyptic number.

It is an amenable number.

223012313212 is a deficient number, since it is larger than the sum of its proper divisors (197280123324).

223012313212 is a wasteful number, since it uses less digits than its factorization.

223012313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288698348 (or 4288698346 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 223012313212 its reverse (212313210322), we get a palindrome (435325523534).

The spelling of 223012313212 in words is "two hundred twenty-three billion, twelve million, three hundred thirteen thousand, two hundred twelve".