33122120232 has 64 divisors (see below), whose sum is σ = 86605706880. Its totient is φ = 10536210432.

The previous prime is 33122120191. The next prime is 33122120309. The reversal of 33122120232 is 23202122133.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 33122120199 and 33122120208.

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 15 ways as a sum of consecutive naturals, for example, 169728 + ... + 308304.

It is an arithmetic number, because the mean of its divisors is an integer number (1353214170).

Almost surely, 2^33122120232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33122120232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43302853440).

33122120232 is an abundant number, since it is smaller than the sum of its proper divisors (53483586648).

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

33122120232 is a wasteful number, since it uses less digits than its factorization.

33122120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139042 (or 139038 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 33122120232 its reverse (23202122133), we get a palindrome (56324242365).

The spelling of 33122120232 in words is "thirty-three billion, one hundred twenty-two million, one hundred twenty thousand, two hundred thirty-two".