33105113012 has 12 divisors (see below), whose sum is σ = 58059078336. Its totient is φ = 16516804920.

The previous prime is 33105112991. The next prime is 33105113077. The reversal of 33105113012 is 21031150133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8935814 + ... + 8939517.

It is an arithmetic number, because the mean of its divisors is an integer number (4838256528).

Almost surely, 2^33105113012 is an apocalyptic number.

It is an amenable number.

33105113012 is a deficient number, since it is larger than the sum of its proper divisors (24953965324).

33105113012 is a wasteful number, since it uses less digits than its factorization.

33105113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17875798 (or 17875796 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 33105113012 its reverse (21031150133), we get a palindrome (54136263145).

The spelling of 33105113012 in words is "thirty-three billion, one hundred five million, one hundred thirteen thousand, twelve".