33030120000 has 140 divisors (see below), whose sum is σ = 109205680496. Its totient is φ = 8808000000.

The previous prime is 33030119989. The next prime is 33030120007. The reversal of 33030120000 is 2103033.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (33030120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17626 + ... + 257625.

Almost surely, 2^33030120000 is an apocalyptic number.

33030120000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33030120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54602840248).

33030120000 is an abundant number, since it is smaller than the sum of its proper divisors (76175560496).

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

33030120000 is an equidigital number, since it uses as much as digits as its factorization.

33030120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275286 (or 275261 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 33030120000 its reverse (2103033), we get a palindrome (33032223033).

The spelling of 33030120000 in words is "thirty-three billion, thirty million, one hundred twenty thousand".