33120330312 has 32 divisors (see below), whose sum is σ = 85471822080. Its totient is φ = 10683977280.

The previous prime is 33120330247. The next prime is 33120330389. The reversal of 33120330312 is 21303302133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22257543 + ... + 22259030.

It is an arithmetic number, because the mean of its divisors is an integer number (2670994440).

Almost surely, 2^33120330312 is an apocalyptic number.

It is an amenable number.

33120330312 is an abundant number, since it is smaller than the sum of its proper divisors (52351491768).

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

33120330312 is a wasteful number, since it uses less digits than its factorization.

33120330312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44516613 (or 44516609 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33120330312 its reverse (21303302133), we get a palindrome (54423632445).

The spelling of 33120330312 in words is "thirty-three billion, one hundred twenty million, three hundred thirty thousand, three hundred twelve".