33012033124240 has 20 divisors (see below), whose sum is σ = 76752977014044. Its totient is φ = 13204813249664.

The previous prime is 33012033124223. The next prime is 33012033124241. The reversal of 33012033124240 is 4242133021033.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23066234663824 + 9945798460416 = 4802732^2 + 3153696^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 33012033124199 and 33012033124208.

It is not an unprimeable number, because it can be changed into a prime (33012033124241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206325206947 + ... + 206325207106.

Almost surely, 2^{33012033124240} is an apocalyptic number.

It is an amenable number.

33012033124240 is an abundant number, since it is smaller than the sum of its proper divisors (43740943889804).

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

33012033124240 is a wasteful number, since it uses less digits than its factorization.

33012033124240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412650414066 (or 412650414060 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 33012033124240 its reverse (4242133021033), we get a palindrome (37254166145273).

The spelling of 33012033124240 in words is "thirty-three trillion, twelve billion, thirty-three million, one hundred twenty-four thousand, two hundred forty".