33123021132 has 24 divisors (see below), whose sum is σ = 77290500672. Its totient is φ = 11040514000.

The previous prime is 33123021023. The next prime is 33123021161. The reversal of 33123021132 is 23112032133.

It is a super-2 number, since 2×33123021132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33123021099 and 33123021108.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 306007 + ... + 399857.

It is an arithmetic number, because the mean of its divisors is an integer number (3220437528).

Almost surely, 2^33123021132 is an apocalyptic number.

It is an amenable number.

33123021132 is an abundant number, since it is smaller than the sum of its proper divisors (44167479540).

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

33123021132 is a wasteful number, since it uses less digits than its factorization.

33123021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123269 (or 123267 counting only the distinct ones).

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

Adding to 33123021132 its reverse (23112032133), we get a palindrome (56235053265).

The spelling of 33123021132 in words is "thirty-three billion, one hundred twenty-three million, twenty-one thousand, one hundred thirty-two".