120713770217 has 2 divisors, whose sum is σ = 120713770218. Its totient is φ = 120713770216.

The previous prime is 120713770211. The next prime is 120713770291. The reversal of 120713770217 is 712077317021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120699961561 + 13808656 = 347419^2 + 3716^2 .

It is a cyclic number.

It is not a de Polignac number, because 120713770217 - 2¹⁸ = 120713508073 is a prime.

It is not a weakly prime, because it can be changed into another prime (120713770211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60356885108 + 60356885109.

It is an arithmetic number, because the mean of its divisors is an integer number (60356885109).

Almost surely, 2^120713770217 is an apocalyptic number.

It is an amenable number.

120713770217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120713770217 is an equidigital number, since it uses as much as digits as its factorization.

120713770217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28812, while the sum is 38.

The spelling of 120713770217 in words is "one hundred twenty billion, seven hundred thirteen million, seven hundred seventy thousand, two hundred seventeen".