120212120201221 has 8 divisors (see below), whose sum is σ = 122014724592600. Its totient is φ = 118419558174720.

The previous prime is 120212120201203. The next prime is 120212120201237. The reversal of 120212120201221 is 122102021212021.

It can be written as a sum of positive squares in 4 ways, for example, as 15735613310596 + 104476506890625 = 3966814^2 + 10221375^2 .

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 120212120201221 - 2⁵ = 120212120201189 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 (120212120201281) 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, 2510567100 + ... + 2510614981.

It is an arithmetic number, because the mean of its divisors is an integer number (15251840574075).

Almost surely, 2^{120212120201221} is an apocalyptic number.

It is an amenable number.

120212120201221 is a deficient number, since it is larger than the sum of its proper divisors (1802604391379).

120212120201221 is an equidigital number, since it uses as much as digits as its factorization.

120212120201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021182439.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120212120201221 its reverse (122102021212021), we get a palindrome (242314141413242).

The spelling of 120212120201221 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred twenty million, two hundred one thousand, two hundred twenty-one".