30220020231209 has 2 divisors, whose sum is σ = 30220020231210. Its totient is φ = 30220020231208.

The previous prime is 30220020231151. The next prime is 30220020231211. The reversal of 30220020231209 is 90213202002203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29591456678809 + 628563552400 = 5439803^2 + 792820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30220020231209 is a prime.

Together with 30220020231211, 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 (30220020231299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110010115604 + 15110010115605.

It is an arithmetic number, because the mean of its divisors is an integer number (15110010115605).

Almost surely, 2^{30220020231209} is an apocalyptic number.

It is an amenable number.

30220020231209 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220020231209 is an equidigital number, since it uses as much as digits as its factorization.

30220020231209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 30220020231209 in words is "thirty trillion, two hundred twenty billion, twenty million, two hundred thirty-one thousand, two hundred nine".