9720180110129 has 2 divisors, whose sum is σ = 9720180110130. Its totient is φ = 9720180110128.

The previous prime is 9720180110099. The next prime is 9720180110153. The reversal of 9720180110129 is 9210110810279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7637772377104 + 2082407733025 = 2763652^2 + 1443055^2 .

It is a cyclic number.

It is not a de Polignac number, because 9720180110129 - 2⁸ = 9720180109873 is a prime.

It is not a weakly prime, because it can be changed into another prime (9720170110129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4860090055064 + 4860090055065.

It is an arithmetic number, because the mean of its divisors is an integer number (4860090055065).

Almost surely, 2^{9720180110129} is an apocalyptic number.

It is an amenable number.

9720180110129 is a deficient number, since it is larger than the sum of its proper divisors (1).

9720180110129 is an equidigital number, since it uses as much as digits as its factorization.

9720180110129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 41.

The spelling of 9720180110129 in words is "nine trillion, seven hundred twenty billion, one hundred eighty million, one hundred ten thousand, one hundred twenty-nine".