30212123099 has 2 divisors, whose sum is σ = 30212123100. Its totient is φ = 30212123098.

The previous prime is 30212123033. The next prime is 30212123101. The reversal of 30212123099 is 99032121203.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30212123099 is a prime.

Together with 30212123101, 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 (30212123999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106061549 + 15106061550.

It is an arithmetic number, because the mean of its divisors is an integer number (15106061550).

Almost surely, 2^30212123099 is an apocalyptic number.

30212123099 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212123099 is an equidigital number, since it uses as much as digits as its factorization.

30212123099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 30212123099 in words is "thirty billion, two hundred twelve million, one hundred twenty-three thousand, ninety-nine".