33120002232 has 48 divisors (see below), whose sum is σ = 89845507440. Its totient is φ = 11022092928.

The previous prime is 33120002207. The next prime is 33120002233. The reversal of 33120002232 is 23220002133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33120002233) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 328348 + ... + 417195.

It is an arithmetic number, because the mean of its divisors is an integer number (1871781405).

Almost surely, 2^33120002232 is an apocalyptic number.

It is an amenable number.

33120002232 is an abundant number, since it is smaller than the sum of its proper divisors (56725505208).

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

33120002232 is a wasteful number, since it uses less digits than its factorization.

33120002232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746172 (or 746165 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 33120002232 its reverse (23220002133), we get a palindrome (56340004365).

Subtracting from 33120002232 its reverse (23220002133), we obtain a palindrome (9900000099).

The spelling of 33120002232 in words is "thirty-three billion, one hundred twenty million, two thousand, two hundred thirty-two".