30210122009 has 2 divisors, whose sum is σ = 30210122010. Its totient is φ = 30210122008.

The previous prime is 30210122003. The next prime is 30210122027. The reversal of 30210122009 is 90022101203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29104360000 + 1105762009 = 170600^2 + 33253^2 .

It is a cyclic number.

It is not a de Polignac number, because 30210122009 - 2²⁸ = 29941686553 is a prime.

It is not a weakly prime, because it can be changed into another prime (30210122003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105061004 + 15105061005.

It is an arithmetic number, because the mean of its divisors is an integer number (15105061005).

Almost surely, 2^30210122009 is an apocalyptic number.

It is an amenable number.

30210122009 is a deficient number, since it is larger than the sum of its proper divisors (1).

30210122009 is an equidigital number, since it uses as much as digits as its factorization.

30210122009 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 20.

The spelling of 30210122009 in words is "thirty billion, two hundred ten million, one hundred twenty-two thousand, nine".