12020200221 has 8 divisors (see below), whose sum is σ = 16246480960. Its totient is φ = 7903693152.

The previous prime is 12020200211. The next prime is 12020200229. The reversal of 12020200221 is 12200202021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12020200221 - 2¹³ = 12020192029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020200197 and 12020200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020200229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27443161 + ... + 27443598.

It is an arithmetic number, because the mean of its divisors is an integer number (2030810120).

Almost surely, 2^12020200221 is an apocalyptic number.

It is an amenable number.

12020200221 is a deficient number, since it is larger than the sum of its proper divisors (4226280739).

12020200221 is an equidigital number, since it uses as much as digits as its factorization.

12020200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54886835.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12020200221 its reverse (12200202021), we get a palindrome (24220402242).

The spelling of 12020200221 in words is "twelve billion, twenty million, two hundred thousand, two hundred twenty-one".