223012321012 has 24 divisors (see below), whose sum is σ = 421020917576. Its totient is φ = 102750363648.

The previous prime is 223012321003. The next prime is 223012321013. The reversal of 223012321012 is 210123210322.

It can be written as a sum of positive squares in 4 ways, for example, as 12885428196 + 210126892816 = 113514^2 + 458396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223012321013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3686373 + ... + 3746380.

Almost surely, 2^223012321012 is an apocalyptic number.

It is an amenable number.

223012321012 is a deficient number, since it is larger than the sum of its proper divisors (198008596564).

223012321012 is a wasteful number, since it uses less digits than its factorization.

223012321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7433347 (or 7433345 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 223012321012 its reverse (210123210322), we get a palindrome (433135531334).

The spelling of 223012321012 in words is "two hundred twenty-three billion, twelve million, three hundred twenty-one thousand, twelve".