223120233212 has 12 divisors (see below), whose sum is σ = 397078381560. Its totient is φ = 109669267056.

The previous prime is 223120233209. The next prime is 223120233229. The reversal of 223120233212 is 212332021322.

223120233212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223120233212³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472712123 + ... + 472712594.

It is an arithmetic number, because the mean of its divisors is an integer number (33089865130).

Almost surely, 2^223120233212 is an apocalyptic number.

It is an amenable number.

223120233212 is a deficient number, since it is larger than the sum of its proper divisors (173958148348).

223120233212 is a wasteful number, since it uses less digits than its factorization.

223120233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945424780 (or 945424778 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 223120233212 its reverse (212332021322), we get a palindrome (435452254534).

The spelling of 223120233212 in words is "two hundred twenty-three billion, one hundred twenty million, two hundred thirty-three thousand, two hundred twelve".