122130002009 has 2 divisors, whose sum is σ = 122130002010. Its totient is φ = 122130002008.

The previous prime is 122130001879. The next prime is 122130002011. The reversal of 122130002009 is 900200031221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118391046400 + 3738955609 = 344080^2 + 61147^2 .

It is a cyclic number.

It is not a de Polignac number, because 122130002009 - 2⁸ = 122130001753 is a prime.

Together with 122130002011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122130002089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61065001004 + 61065001005.

It is an arithmetic number, because the mean of its divisors is an integer number (61065001005).

Almost surely, 2^122130002009 is an apocalyptic number.

It is an amenable number.

122130002009 is a deficient number, since it is larger than the sum of its proper divisors (1).

122130002009 is an equidigital number, since it uses as much as digits as its factorization.

122130002009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 122130002009 in words is "one hundred twenty-two billion, one hundred thirty million, two thousand, nine".