30233303212 has 144 divisors (see below), whose sum is σ = 66272048640. Its totient is φ = 12004608000.

The previous prime is 30233303209. The next prime is 30233303279. The reversal of 30233303212 is 21230333203.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18883212 + ... + 18884812.

It is an arithmetic number, because the mean of its divisors is an integer number (460222560).

Almost surely, 2^30233303212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30233303212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33136024320).

30233303212 is an abundant number, since it is smaller than the sum of its proper divisors (36038745428).

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

30233303212 is a wasteful number, since it uses less digits than its factorization.

30233303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 30233303212 its reverse (21230333203), we get a palindrome (51463636415).

The spelling of 30233303212 in words is "thirty billion, two hundred thirty-three million, three hundred three thousand, two hundred twelve".