12020322221321 has 8 divisors (see below), whose sum is σ = 12066005481984. Its totient is φ = 11974648724640.

The previous prime is 12020322221317. The next prime is 12020322221339. The reversal of 12020322221321 is 12312222302021.

It is a happy number.

12020322221321 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 12020322221321 - 2² = 12020322221317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020322221311) 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, 30605 + ... + 4903221.

It is an arithmetic number, because the mean of its divisors is an integer number (1508250685248).

Almost surely, 2^{12020322221321} is an apocalyptic number.

It is an amenable number.

12020322221321 is a deficient number, since it is larger than the sum of its proper divisors (45683260663).

12020322221321 is an equidigital number, since it uses as much as digits as its factorization.

12020322221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881991.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12020322221321 its reverse (12312222302021), we get a palindrome (24332544523342).

The spelling of 12020322221321 in words is "twelve trillion, twenty billion, three hundred twenty-two million, two hundred twenty-one thousand, three hundred twenty-one".