120001209991807 has 2 divisors, whose sum is σ = 120001209991808. Its totient is φ = 120001209991806.

The previous prime is 120001209991787. The next prime is 120001209991829. The reversal of 120001209991807 is 708199902100021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120001209991807 - 2⁷ = 120001209991679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120001209994807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000604995903 + 60000604995904.

It is an arithmetic number, because the mean of its divisors is an integer number (60000604995904).

Almost surely, 2^{120001209991807} is an apocalyptic number.

120001209991807 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001209991807 is an equidigital number, since it uses as much as digits as its factorization.

120001209991807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 49.

The spelling of 120001209991807 in words is "one hundred twenty trillion, one billion, two hundred nine million, nine hundred ninety-one thousand, eight hundred seven".