33120321132 has 24 divisors (see below), whose sum is σ = 77302181376. Its totient is φ = 11037045328.

The previous prime is 33120321127. The next prime is 33120321209. The reversal of 33120321132 is 23112302133.

It is a super-2 number, since 2×33120321132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33120321099 and 33120321108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337428 + ... + 424379.

It is an arithmetic number, because the mean of its divisors is an integer number (3220924224).

Almost surely, 2^33120321132 is an apocalyptic number.

It is an amenable number.

33120321132 is an abundant number, since it is smaller than the sum of its proper divisors (44181860244).

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

33120321132 is a wasteful number, since it uses less digits than its factorization.

33120321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765437 (or 765435 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33120321132 its reverse (23112302133), we get a palindrome (56232623265).

The spelling of 33120321132 in words is "thirty-three billion, one hundred twenty million, three hundred twenty-one thousand, one hundred thirty-two".