20120300310317 has 2 divisors, whose sum is σ = 20120300310318. Its totient is φ = 20120300310316.

The previous prime is 20120300310289. The next prime is 20120300310361. The reversal of 20120300310317 is 71301300302102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14417976004201 + 5702324306116 = 3797101^2 + 2387954^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120300310317 - 2²⁴ = 20120283533101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20120300310292 and 20120300310301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20120300315317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060150155158 + 10060150155159.

It is an arithmetic number, because the mean of its divisors is an integer number (10060150155159).

Almost surely, 2^{20120300310317} is an apocalyptic number.

It is an amenable number.

20120300310317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120300310317 is an equidigital number, since it uses as much as digits as its factorization.

20120300310317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 20120300310317 its reverse (71301300302102), we get a palindrome (91421600612419).

The spelling of 20120300310317 in words is "twenty trillion, one hundred twenty billion, three hundred million, three hundred ten thousand, three hundred seventeen".