30012215243 has 2 divisors, whose sum is σ = 30012215244. Its totient is φ = 30012215242.

The previous prime is 30012215231. The next prime is 30012215267. The reversal of 30012215243 is 34251221003.

It is a weak prime.

It is an emirp because it is prime and its reverse (34251221003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30012215243 - 2⁴ = 30012215227 is a prime.

It is not a weakly prime, because it can be changed into another prime (30012215203) 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, 15006107621 + 15006107622.

It is an arithmetic number, because the mean of its divisors is an integer number (15006107622).

Almost surely, 2^30012215243 is an apocalyptic number.

30012215243 is a deficient number, since it is larger than the sum of its proper divisors (1).

30012215243 is an equidigital number, since it uses as much as digits as its factorization.

30012215243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 30012215243 its reverse (34251221003), we get a palindrome (64263436246).

The spelling of 30012215243 in words is "thirty billion, twelve million, two hundred fifteen thousand, two hundred forty-three".