33012044242 has 4 divisors (see below), whose sum is σ = 49518066366. Its totient is φ = 16506022120.

The previous prime is 33012044189. The next prime is 33012044291. The reversal of 33012044242 is 24244021033.

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., 30213740041 + 2798304201 = 173821^2 + 52899^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8253011059 + ... + 8253011062.

Almost surely, 2^33012044242 is an apocalyptic number.

33012044242 is a deficient number, since it is larger than the sum of its proper divisors (16506022124).

33012044242 is a wasteful number, since it uses less digits than its factorization.

33012044242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16506022123.

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

Adding to 33012044242 its reverse (24244021033), we get a palindrome (57256065275).

The spelling of 33012044242 in words is "thirty-three billion, twelve million, forty-four thousand, two hundred forty-two".