33533121132 has 72 divisors (see below), whose sum is σ = 96901957152. Its totient is φ = 9578073600.

The previous prime is 33533121121. The next prime is 33533121137. The reversal of 33533121132 is 23112133533.

33533121132 is a `hidden beast` number, since 3 + 3 + 533 + 12 + 113 + 2 = 666.

It is a super-2 number, since 2×33533121132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33533121096 and 33533121105.

It is not an unprimeable number, because it can be changed into a prime (33533121137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 930082 + ... + 965462.

It is an arithmetic number, because the mean of its divisors is an integer number (1345860516).

Almost surely, 2^33533121132 is an apocalyptic number.

It is an amenable number.

33533121132 is an abundant number, since it is smaller than the sum of its proper divisors (63368836020).

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

33533121132 is a wasteful number, since it uses less digits than its factorization.

33533121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39159 (or 39154 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

Adding to 33533121132 its reverse (23112133533), we get a palindrome (56645254665).

The spelling of 33533121132 in words is "thirty-three billion, five hundred thirty-three million, one hundred twenty-one thousand, one hundred thirty-two".