30221113312 has 24 divisors (see below), whose sum is σ = 64074572856. Its totient is φ = 13948205952.

The previous prime is 30221113217. The next prime is 30221113357. The reversal of 30221113312 is 21331112203.

It is a self number, because there is not a number n which added to its sum of digits gives 30221113312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36323038 + ... + 36323869.

It is an arithmetic number, because the mean of its divisors is an integer number (2669773869).

Almost surely, 2^30221113312 is an apocalyptic number.

30221113312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30221113312 is an abundant number, since it is smaller than the sum of its proper divisors (33853459544).

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

30221113312 is a wasteful number, since it uses less digits than its factorization.

30221113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72646930 (or 72646922 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30221113312 its reverse (21331112203), we get a palindrome (51552225515).

It can be divided in two parts, 30221113 and 312, that added together give a triangular number (30221425 = T₇₇₇₄).

The spelling of 30221113312 in words is "thirty billion, two hundred twenty-one million, one hundred thirteen thousand, three hundred twelve".