12120300212221 has 8 divisors (see below), whose sum is σ = 12834546802560. Its totient is φ = 11406196705728.

The previous prime is 12120300212201. The next prime is 12120300212269. The reversal of 12120300212221 is 12221200302121.

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 12120300212221 - 2¹⁵ = 12120300179453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120300212201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35596531 + ... + 35935408.

It is an arithmetic number, because the mean of its divisors is an integer number (1604318350320).

Almost surely, 2^{12120300212221} is an apocalyptic number.

It is an amenable number.

12120300212221 is a deficient number, since it is larger than the sum of its proper divisors (714246590339).

12120300212221 is an equidigital number, since it uses as much as digits as its factorization.

12120300212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71541923.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12120300212221 its reverse (12221200302121), we get a palindrome (24341500514342).

The spelling of 12120300212221 in words is "twelve trillion, one hundred twenty billion, three hundred million, two hundred twelve thousand, two hundred twenty-one".