100120006806709 has 2 divisors, whose sum is σ = 100120006806710. Its totient is φ = 100120006806708.

The previous prime is 100120006806647. The next prime is 100120006806719. The reversal of 100120006806709 is 907608600021001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95415836218609 + 4704170588100 = 9768103^2 + 2168910^2 .

It is a cyclic number.

It is not a de Polignac number, because 100120006806709 - 2¹³ = 100120006798517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100120006806719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060003403354 + 50060003403355.

It is an arithmetic number, because the mean of its divisors is an integer number (50060003403355).

Almost surely, 2^{100120006806709} is an apocalyptic number.

It is an amenable number.

100120006806709 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120006806709 is an equidigital number, since it uses as much as digits as its factorization.

100120006806709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 100120006806709 in words is "one hundred trillion, one hundred twenty billion, six million, eight hundred six thousand, seven hundred nine".