129682696201 has 2 divisors, whose sum is σ = 129682696202. Its totient is φ = 129682696200.

The previous prime is 129682696177. The next prime is 129682696223. The reversal of 129682696201 is 102696286921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128917620601 + 765075600 = 359051^2 + 27660^2 .

It is a cyclic number.

It is not a de Polignac number, because 129682696201 - 2¹¹ = 129682694153 is a prime.

It is not a weakly prime, because it can be changed into another prime (129682696271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64841348100 + 64841348101.

It is an arithmetic number, because the mean of its divisors is an integer number (64841348101).

Almost surely, 2^129682696201 is an apocalyptic number.

It is an amenable number.

129682696201 is a deficient number, since it is larger than the sum of its proper divisors (1).

129682696201 is an equidigital number, since it uses as much as digits as its factorization.

129682696201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 129682696201 in words is "one hundred twenty-nine billion, six hundred eighty-two million, six hundred ninety-six thousand, two hundred one".