3120021323197 has 2 divisors, whose sum is σ = 3120021323198. Its totient is φ = 3120021323196.

The previous prime is 3120021323149. The next prime is 3120021323239. The reversal of 3120021323197 is 7913231200213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2883659081956 + 236362241241 = 1698134^2 + 486171^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120021323197 - 2¹¹ = 3120021321149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120021323297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560010661598 + 1560010661599.

It is an arithmetic number, because the mean of its divisors is an integer number (1560010661599).

Almost surely, 2^{3120021323197} is an apocalyptic number.

It is an amenable number.

3120021323197 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120021323197 is an equidigital number, since it uses as much as digits as its factorization.

3120021323197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 3120021323197 in words is "three trillion, one hundred twenty billion, twenty-one million, three hundred twenty-three thousand, one hundred ninety-seven".