30212133203171 has 2 divisors, whose sum is σ = 30212133203172. Its totient is φ = 30212133203170.

The previous prime is 30212133203143. The next prime is 30212133203191. The reversal of 30212133203171 is 17130233121203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30212133203171 - 2¹⁸ = 30212132941027 is a prime.

It is a super-2 number, since 2×30212133203171² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30212133203191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106066601585 + 15106066601586.

It is an arithmetic number, because the mean of its divisors is an integer number (15106066601586).

Almost surely, 2^{30212133203171} is an apocalyptic number.

30212133203171 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212133203171 is an equidigital number, since it uses as much as digits as its factorization.

30212133203171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

Adding to 30212133203171 its reverse (17130233121203), we get a palindrome (47342366324374).

The spelling of 30212133203171 in words is "thirty trillion, two hundred twelve billion, one hundred thirty-three million, two hundred three thousand, one hundred seventy-one".