223202031212 has 12 divisors (see below), whose sum is σ = 397006892016. Its totient is φ = 109771490640.

The previous prime is 223202031191. The next prime is 223202031263. The reversal of 223202031212 is 212130202322.

It is a happy number.

It is a super-3 number, since 3×223202031212³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 457380968 + ... + 457381455.

It is an arithmetic number, because the mean of its divisors is an integer number (33083907668).

Almost surely, 2^223202031212 is an apocalyptic number.

It is an amenable number.

223202031212 is a deficient number, since it is larger than the sum of its proper divisors (173804860804).

223202031212 is a wasteful number, since it uses less digits than its factorization.

223202031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914762488 (or 914762486 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 223202031212 its reverse (212130202322), we get a palindrome (435332233534).

The spelling of 223202031212 in words is "two hundred twenty-three billion, two hundred two million, thirty-one thousand, two hundred twelve".