12120200221 has 8 divisors (see below), whose sum is σ = 12662478144. Its totient is φ = 11579198400.

The previous prime is 12120200207. The next prime is 12120200233. The reversal of 12120200221 is 12200202121.

It is a happy number.

12120200221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12120200221 - 2²⁵ = 12086645789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120200321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 299580 + ... + 337621.

It is an arithmetic number, because the mean of its divisors is an integer number (1582809768).

Almost surely, 2^12120200221 is an apocalyptic number.

It is an amenable number.

12120200221 is a deficient number, since it is larger than the sum of its proper divisors (542277923).

12120200221 is an equidigital number, since it uses as much as digits as its factorization.

12120200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638051.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12120200221 its reverse (12200202121), we get a palindrome (24320402342).

The spelling of 12120200221 in words is "twelve billion, one hundred twenty million, two hundred thousand, two hundred twenty-one".