221223033220012 has 6 divisors (see below), whose sum is σ = 387140308135028. Its totient is φ = 110611516610004.

The previous prime is 221223033219997. The next prime is 221223033220129. The reversal of 221223033220012 is 210022330322122.

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 as a sum of consecutive naturals, namely, 27652879152498 + ... + 27652879152505.

Almost surely, 2^{221223033220012} is an apocalyptic number.

It is an amenable number.

221223033220012 is a deficient number, since it is larger than the sum of its proper divisors (165917274915016).

221223033220012 is a wasteful number, since it uses less digits than its factorization.

221223033220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55305758305007 (or 55305758305005 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 221223033220012 its reverse (210022330322122), we get a palindrome (431245363542134).

The spelling of 221223033220012 in words is "two hundred twenty-one trillion, two hundred twenty-three billion, thirty-three million, two hundred twenty thousand, twelve".