120015206117 has 2 divisors, whose sum is σ = 120015206118. Its totient is φ = 120015206116.

The previous prime is 120015206099. The next prime is 120015206131. The reversal of 120015206117 is 711602510021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101706139396 + 18309066721 = 318914^2 + 135311^2 .

It is a cyclic number.

It is not a de Polignac number, because 120015206117 - 2⁶ = 120015206053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120015206167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60007603058 + 60007603059.

It is an arithmetic number, because the mean of its divisors is an integer number (60007603059).

Almost surely, 2^120015206117 is an apocalyptic number.

It is an amenable number.

120015206117 is a deficient number, since it is larger than the sum of its proper divisors (1).

120015206117 is an equidigital number, since it uses as much as digits as its factorization.

120015206117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 120015206117 its reverse (711602510021), we get a palindrome (831617716138).

The spelling of 120015206117 in words is "one hundred twenty billion, fifteen million, two hundred six thousand, one hundred seventeen".