1201201030129 has 2 divisors, whose sum is σ = 1201201030130. Its totient is φ = 1201201030128.

The previous prime is 1201201030121. The next prime is 1201201030153. The reversal of 1201201030129 is 9210301021021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1095689749504 + 105511280625 = 1046752^2 + 324825^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201201030129 - 2³ = 1201201030121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201201030121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600600515064 + 600600515065.

It is an arithmetic number, because the mean of its divisors is an integer number (600600515065).

Almost surely, 2^{1201201030129} is an apocalyptic number.

It is an amenable number.

1201201030129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201201030129 is an equidigital number, since it uses as much as digits as its factorization.

1201201030129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 1201201030129 in words is "one trillion, two hundred one billion, two hundred one million, thirty thousand, one hundred twenty-nine".