30513234531212 has 12 divisors (see below), whose sum is σ = 53398876237056. Its totient is φ = 15256412749200.

The previous prime is 30513234531203. The next prime is 30513234531223. The reversal of 30513234531212 is 21213543231503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50793164 + ... + 51390387.

It is an arithmetic number, because the mean of its divisors is an integer number (4449906353088).

Almost surely, 2^{30513234531212} is an apocalyptic number.

It is an amenable number.

30513234531212 is a deficient number, since it is larger than the sum of its proper divisors (22885641705844).

30513234531212 is a wasteful number, since it uses less digits than its factorization.

30513234531212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102258208 (or 102258206 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 30513234531212 its reverse (21213543231503), we get a palindrome (51726777762715).

The spelling of 30513234531212 in words is "thirty trillion, five hundred thirteen billion, two hundred thirty-four million, five hundred thirty-one thousand, two hundred twelve".