33120233312 has 48 divisors (see below), whose sum is σ = 69622882560. Its totient is φ = 15471722112.

The previous prime is 33120233309. The next prime is 33120233351. The reversal of 33120233312 is 21333202133.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 491612 + ... + 554907.

It is an arithmetic number, because the mean of its divisors is an integer number (1450476720).

Almost surely, 2^33120233312 is an apocalyptic number.

33120233312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33120233312 is an abundant number, since it is smaller than the sum of its proper divisors (36502649248).

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

33120233312 is a wasteful number, since it uses less digits than its factorization.

33120233312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046595 (or 1046587 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33120233312 its reverse (21333202133), we get a palindrome (54453435445).

The spelling of 33120233312 in words is "thirty-three billion, one hundred twenty million, two hundred thirty-three thousand, three hundred twelve".