12320120120221 has 16 divisors (see below), whose sum is σ = 12400744785408. Its totient is φ = 12239743737600.

The previous prime is 12320120120201. The next prime is 12320120120249. The reversal of 12320120120221 is 12202102102321.

It is a cyclic number.

It is not a de Polignac number, because 12320120120221 - 2⁹ = 12320120119709 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 (12320120120201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265170825 + ... + 265217281.

It is an arithmetic number, because the mean of its divisors is an integer number (775046549088).

Almost surely, 2^{12320120120221} is an apocalyptic number.

It is an amenable number.

12320120120221 is a deficient number, since it is larger than the sum of its proper divisors (80624665187).

12320120120221 is a wasteful number, since it uses less digits than its factorization.

12320120120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49092.

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

Adding to 12320120120221 its reverse (12202102102321), we get a palindrome (24522222222542).

The spelling of 12320120120221 in words is "twelve trillion, three hundred twenty billion, one hundred twenty million, one hundred twenty thousand, two hundred twenty-one".