33123404212 has 12 divisors (see below), whose sum is σ = 57968745856. Its totient is φ = 16560905400.

The previous prime is 33123404177. The next prime is 33123404219. The reversal of 33123404212 is 21240432133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33123404219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 100164 + ... + 276187.

Almost surely, 2^33123404212 is an apocalyptic number.

It is an amenable number.

33123404212 is a deficient number, since it is larger than the sum of its proper divisors (24845341644).

33123404212 is a wasteful number, since it uses less digits than its factorization.

33123404212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398358 (or 398356 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 33123404212 its reverse (21240432133), we get a palindrome (54363836345).

The spelling of 33123404212 in words is "thirty-three billion, one hundred twenty-three million, four hundred four thousand, two hundred twelve".