12040003352 has 128 divisors (see below), whose sum is σ = 25593200640. Its totient is φ = 5273372160.

The previous prime is 12040003343. The next prime is 12040003357. The reversal of 12040003352 is 25330004021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040003357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34697243 + ... + 34697589.

It is an arithmetic number, because the mean of its divisors is an integer number (199946880).

Almost surely, 2^12040003352 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 12040003352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12796600320).

12040003352 is an abundant number, since it is smaller than the sum of its proper divisors (13553197288).

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

12040003352 is a wasteful number, since it uses less digits than its factorization.

12040003352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 12040003352 its reverse (25330004021), we get a palindrome (37370007373).

The spelling of 12040003352 in words is "twelve billion, forty million, three thousand, three hundred fifty-two".