221202020012 has 12 divisors (see below), whose sum is σ = 391094293800. Its totient is φ = 109460793216.

The previous prime is 221202020009. The next prime is 221202020033. The reversal of 221202020012 is 210020202122.

221202020012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285053762 + ... + 285054537.

It is an arithmetic number, because the mean of its divisors is an integer number (32591191150).

Almost surely, 2^221202020012 is an apocalyptic number.

It is an amenable number.

221202020012 is a deficient number, since it is larger than the sum of its proper divisors (169892273788).

221202020012 is a wasteful number, since it uses less digits than its factorization.

221202020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570108400 (or 570108398 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221202020012 its reverse (210020202122), we get a palindrome (431222222134).

The spelling of 221202020012 in words is "two hundred twenty-one billion, two hundred two million, twenty thousand, twelve".