120101312609 has 2 divisors, whose sum is σ = 120101312610. Its totient is φ = 120101312608.

The previous prime is 120101312599. The next prime is 120101312627. The reversal of 120101312609 is 906213101021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99184054225 + 20917258384 = 314935^2 + 144628^2 .

It is a cyclic number.

It is not a de Polignac number, because 120101312609 - 2²⁰ = 120100264033 is a prime.

It is not a weakly prime, because it can be changed into another prime (120101312909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050656304 + 60050656305.

It is an arithmetic number, because the mean of its divisors is an integer number (60050656305).

Almost surely, 2^120101312609 is an apocalyptic number.

It is an amenable number.

120101312609 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101312609 is an equidigital number, since it uses as much as digits as its factorization.

120101312609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 120101312609 in words is "one hundred twenty billion, one hundred one million, three hundred twelve thousand, six hundred nine".