30212000171 has 2 divisors, whose sum is σ = 30212000172. Its totient is φ = 30212000170.

The previous prime is 30212000153. The next prime is 30212000207. The reversal of 30212000171 is 17100021203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30212000171 - 2²² = 30207805867 is a prime.

It is not a weakly prime, because it can be changed into another prime (30212000671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106000085 + 15106000086.

It is an arithmetic number, because the mean of its divisors is an integer number (15106000086).

Almost surely, 2^30212000171 is an apocalyptic number.

30212000171 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212000171 is an equidigital number, since it uses as much as digits as its factorization.

30212000171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

Adding to 30212000171 its reverse (17100021203), we get a palindrome (47312021374).

The spelling of 30212000171 in words is "thirty billion, two hundred twelve million, one hundred seventy-one", and thus it is an aban number.