33012244042 has 4 divisors (see below), whose sum is σ = 49518366066. Its totient is φ = 16506122020.

The previous prime is 33012243991. The next prime is 33012244043. The reversal of 33012244042 is 24044221033.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30112313841 + 2899930201 = 173529^2 + 53851^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33012243998 and 33012244016.

It is not an unprimeable number, because it can be changed into a prime (33012244043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8253061009 + ... + 8253061012.

Almost surely, 2^33012244042 is an apocalyptic number.

33012244042 is a deficient number, since it is larger than the sum of its proper divisors (16506122024).

33012244042 is a wasteful number, since it uses less digits than its factorization.

33012244042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16506122023.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 33012244042 its reverse (24044221033), we get a palindrome (57056465075).

The spelling of 33012244042 in words is "thirty-three billion, twelve million, two hundred forty-four thousand, forty-two".