33103212112 has 20 divisors (see below), whose sum is σ = 66206425216. Its totient is φ = 16017683040.

The previous prime is 33103212101. The next prime is 33103212113. The reversal of 33103212112 is 21121230133.

33103212112 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 33103212112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33103212113) 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, 33369678 + ... + 33370669.

Almost surely, 2^33103212112 is an apocalyptic number.

It is an amenable number.

33103212112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33103212112 is a wasteful number, since it uses less digits than its factorization.

33103212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66740386 (or 66740380 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 33103212112 its reverse (21121230133), we get a palindrome (54224442245).

The spelling of 33103212112 in words is "thirty-three billion, one hundred three million, two hundred twelve thousand, one hundred twelve".