223102221212 has 12 divisors (see below), whose sum is σ = 420461878536. Its totient is φ = 102970255920.

The previous prime is 223102221191. The next prime is 223102221263. The reversal of 223102221212 is 212122201322.

It is a super-3 number, since 3×223102221212³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 2145213614 + ... + 2145213717.

It is an arithmetic number, because the mean of its divisors is an integer number (35038489878).

Almost surely, 2^223102221212 is an apocalyptic number.

It is an amenable number.

223102221212 is a deficient number, since it is larger than the sum of its proper divisors (197359657324).

223102221212 is a wasteful number, since it uses less digits than its factorization.

223102221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290427348 (or 4290427346 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 223102221212 its reverse (212122201322), we get a palindrome (435224422534).

The spelling of 223102221212 in words is "two hundred twenty-three billion, one hundred two million, two hundred twenty-one thousand, two hundred twelve".