30112212213791 has 2 divisors, whose sum is σ = 30112212213792. Its totient is φ = 30112212213790.

The previous prime is 30112212213763. The next prime is 30112212213823. The reversal of 30112212213791 is 19731221221103.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30112212213791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30112212213761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056106106895 + 15056106106896.

It is an arithmetic number, because the mean of its divisors is an integer number (15056106106896).

Almost surely, 2^{30112212213791} is an apocalyptic number.

30112212213791 is a deficient number, since it is larger than the sum of its proper divisors (1).

30112212213791 is an equidigital number, since it uses as much as digits as its factorization.

30112212213791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

Adding to 30112212213791 its reverse (19731221221103), we get a palindrome (49843433434894).

The spelling of 30112212213791 in words is "thirty trillion, one hundred twelve billion, two hundred twelve million, two hundred thirteen thousand, seven hundred ninety-one".