300120009989 has 2 divisors, whose sum is σ = 300120009990. Its totient is φ = 300120009988.

The previous prime is 300120009971. The next prime is 300120010037. The reversal of 300120009989 is 989900021003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225677253025 + 74442756964 = 475055^2 + 272842^2 .

It is a cyclic number.

It is not a de Polignac number, because 300120009989 - 2⁸ = 300120009733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300120099989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150060004994 + 150060004995.

It is an arithmetic number, because the mean of its divisors is an integer number (150060004995).

Almost surely, 2^300120009989 is an apocalyptic number.

It is an amenable number.

300120009989 is a deficient number, since it is larger than the sum of its proper divisors (1).

300120009989 is an equidigital number, since it uses as much as digits as its factorization.

300120009989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 300120009989 in words is "three hundred billion, one hundred twenty million, nine thousand, nine hundred eighty-nine".