33012343120 has 20 divisors (see below), whose sum is σ = 76753697940. Its totient is φ = 13204937216.

The previous prime is 33012343103. The next prime is 33012343127. The reversal of 33012343120 is 2134321033.

It can be written as a sum of positive squares in 2 ways, for example, as 17796627216 + 15215715904 = 133404^2 + 123352^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×33012343120² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33012343091 and 33012343100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33012343127) 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 3 ways as a sum of consecutive naturals, for example, 206327065 + ... + 206327224.

It is an arithmetic number, because the mean of its divisors is an integer number (3837684897).

Almost surely, 2^33012343120 is an apocalyptic number.

It is an amenable number.

33012343120 is an abundant number, since it is smaller than the sum of its proper divisors (43741354820).

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

33012343120 is a wasteful number, since it uses less digits than its factorization.

33012343120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412654302 (or 412654296 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 33012343120 its reverse (2134321033), we get a palindrome (35146664153).

The spelling of 33012343120 in words is "thirty-three billion, twelve million, three hundred forty-three thousand, one hundred twenty".