30234040212 has 24 divisors (see below), whose sum is σ = 70592824512. Its totient is φ = 10071337600.

The previous prime is 30234040163. The next prime is 30234040237. The reversal of 30234040212 is 21204043203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815589 + ... + 851852.

It is an arithmetic number, because the mean of its divisors is an integer number (2941367688).

Almost surely, 2^30234040212 is an apocalyptic number.

It is an amenable number.

30234040212 is an abundant number, since it is smaller than the sum of its proper divisors (40358784300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30234040212 is a wasteful number, since it uses less digits than its factorization.

30234040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668959 (or 1668957 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30234040212 its reverse (21204043203), we get a palindrome (51438083415).

The spelling of 30234040212 in words is "thirty billion, two hundred thirty-four million, forty thousand, two hundred twelve".