33102120112 has 120 divisors (see below), whose sum is σ = 73079139600. Its totient is φ = 14477119488.

The previous prime is 33102120109. The next prime is 33102120113. The reversal of 33102120112 is 21102120133.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (33102120113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4652814 + ... + 4659922.

It is an arithmetic number, because the mean of its divisors is an integer number (608992830).

Almost surely, 2^33102120112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33102120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36539569800).

33102120112 is an abundant number, since it is smaller than the sum of its proper divisors (39977019488).

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

33102120112 is a wasteful number, since it uses less digits than its factorization.

33102120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223 (or 7200 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 33102120112 its reverse (21102120133), we get a palindrome (54204240245).

The spelling of 33102120112 in words is "thirty-three billion, one hundred two million, one hundred twenty thousand, one hundred twelve".