120021413009 has 2 divisors, whose sum is σ = 120021413010. Its totient is φ = 120021413008.

The previous prime is 120021412999. The next prime is 120021413137. The reversal of 120021413009 is 900314120021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96273678400 + 23747734609 = 310280^2 + 154103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120021413009 is a prime.

It is not a weakly prime, because it can be changed into another prime (120021415009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010706504 + 60010706505.

It is an arithmetic number, because the mean of its divisors is an integer number (60010706505).

Almost surely, 2^120021413009 is an apocalyptic number.

It is an amenable number.

120021413009 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021413009 is an equidigital number, since it uses as much as digits as its factorization.

120021413009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 120021413009 in words is "one hundred twenty billion, twenty-one million, four hundred thirteen thousand, nine".