122021706713 has 2 divisors, whose sum is σ = 122021706714. Its totient is φ = 122021706712.

The previous prime is 122021706689. The next prime is 122021706743. The reversal of 122021706713 is 317607120221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90695538649 + 31326168064 = 301157^2 + 176992^2 .

It is a cyclic number.

It is not a de Polignac number, because 122021706713 - 2¹² = 122021702617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122021706713.

It is not a weakly prime, because it can be changed into another prime (122021706743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010853356 + 61010853357.

It is an arithmetic number, because the mean of its divisors is an integer number (61010853357).

Almost surely, 2^122021706713 is an apocalyptic number.

It is an amenable number.

122021706713 is a deficient number, since it is larger than the sum of its proper divisors (1).

122021706713 is an equidigital number, since it uses as much as digits as its factorization.

122021706713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 122021706713 its reverse (317607120221), we get a palindrome (439628826934).

The spelling of 122021706713 in words is "one hundred twenty-two billion, twenty-one million, seven hundred six thousand, seven hundred thirteen".