33120230130 has 320 divisors, whose sum is σ = 98906290560. Its totient is φ = 7900913664.

The previous prime is 33120230107. The next prime is 33120230149. The reversal of 33120230130 is 3103202133.

33120230130 is a `hidden beast` number, since 331 + 2 + 0 + 2 + 301 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 87388281 + ... + 87388659.

It is an arithmetic number, because the mean of its divisors is an integer number (309082158).

Almost surely, 2^33120230130 is an apocalyptic number.

33120230130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33120230130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49453145280).

33120230130 is an abundant number, since it is smaller than the sum of its proper divisors (65786060430).

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

33120230130 is a wasteful number, since it uses less digits than its factorization.

33120230130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 33120230130 its reverse (3103202133), we get a palindrome (36223432263).

The spelling of 33120230130 in words is "thirty-three billion, one hundred twenty million, two hundred thirty thousand, one hundred thirty".