33144121332 has 72 divisors (see below), whose sum is σ = 101382031296. Its totient is φ = 8912703744.

The previous prime is 33144121313. The next prime is 33144121357. The reversal of 33144121332 is 23312144133.

It is a happy number.

33144121332 is a `hidden beast` number, since 3 + 3 + 1 + 441 + 213 + 3 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 33144121296 and 33144121305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3864078 + ... + 3872645.

It is an arithmetic number, because the mean of its divisors is an integer number (1408083768).

Almost surely, 2^33144121332 is an apocalyptic number.

It is an amenable number.

33144121332 is an abundant number, since it is smaller than the sum of its proper divisors (68237909964).

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

33144121332 is a wasteful number, since it uses less digits than its factorization.

33144121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736757 (or 7736752 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 33144121332 its reverse (23312144133), we get a palindrome (56456265465).

The spelling of 33144121332 in words is "thirty-three billion, one hundred forty-four million, one hundred twenty-one thousand, three hundred thirty-two".