220221201012 has 12 divisors (see below), whose sum is σ = 513849469056. Its totient is φ = 73407067000.

The previous prime is 220221201007. The next prime is 220221201029. The reversal of 220221201012 is 210102122022.

220221201012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 220221200982 and 220221201000.

It is a congruent number.

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, 9175883364 + ... + 9175883387.

It is an arithmetic number, because the mean of its divisors is an integer number (42820789088).

Almost surely, 2^220221201012 is an apocalyptic number.

It is an amenable number.

220221201012 is an abundant number, since it is smaller than the sum of its proper divisors (293628268044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220221201012 is a wasteful number, since it uses less digits than its factorization.

220221201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18351766758 (or 18351766756 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220221201012 its reverse (210102122022), we get a palindrome (430323323034).

The spelling of 220221201012 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred one thousand, twelve".