30122032009 has 2 divisors, whose sum is σ = 30122032010. Its totient is φ = 30122032008.

The previous prime is 30122031991. The next prime is 30122032021. The reversal of 30122032009 is 90023022103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29497032009 + 625000000 = 171747^2 + 25000^2 .

It is a cyclic number.

It is not a de Polignac number, because 30122032009 - 2¹³ = 30122023817 is a prime.

It is not a weakly prime, because it can be changed into another prime (30122032049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061016004 + 15061016005.

It is an arithmetic number, because the mean of its divisors is an integer number (15061016005).

Almost surely, 2^30122032009 is an apocalyptic number.

It is an amenable number.

30122032009 is a deficient number, since it is larger than the sum of its proper divisors (1).

30122032009 is an equidigital number, since it uses as much as digits as its factorization.

30122032009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 30122032009 in words is "thirty billion, one hundred twenty-two million, thirty-two thousand, nine".