33112133012 has 24 divisors (see below), whose sum is σ = 66906995904. Its totient is φ = 14044614912.

The previous prime is 33112132931. The next prime is 33112133083. The reversal of 33112133012 is 21033121133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6093038 + ... + 6098469.

It is an arithmetic number, because the mean of its divisors is an integer number (2787791496).

Almost surely, 2^33112133012 is an apocalyptic number.

It is an amenable number.

33112133012 is an abundant number, since it is smaller than the sum of its proper divisors (33794862892).

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

33112133012 is a wasteful number, since it uses less digits than its factorization.

33112133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12191615 (or 12191613 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 33112133012 its reverse (21033121133), we get a palindrome (54145254145).

The spelling of 33112133012 in words is "thirty-three billion, one hundred twelve million, one hundred thirty-three thousand, twelve".