223201000221212 has 48 divisors (see below), whose sum is σ = 425730729295872. Its totient is φ = 101771191124160.

The previous prime is 223201000221209. The next prime is 223201000221223. The reversal of 223201000221212 is 212122000102322.

It is a super-3 number, since 3×223201000221212³ (a number of 44 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126736637 + ... + 128485707.

It is an arithmetic number, because the mean of its divisors is an integer number (8869390193664).

Almost surely, 2^{223201000221212} is an apocalyptic number.

It is an amenable number.

223201000221212 is a deficient number, since it is larger than the sum of its proper divisors (202529729074660).

223201000221212 is a wasteful number, since it uses less digits than its factorization.

223201000221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778738 (or 1778736 counting only the distinct ones).

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

Adding to 223201000221212 its reverse (212122000102322), we get a palindrome (435323000323534).

The spelling of 223201000221212 in words is "two hundred twenty-three trillion, two hundred one billion, two hundred twenty-one thousand, two hundred twelve".