12003405252 has 24 divisors (see below), whose sum is σ = 28022904000. Its totient is φ = 3998998176.

The previous prime is 12003405233. The next prime is 12003405259. The reversal of 12003405252 is 25250430021.

It is not an unprimeable number, because it can be changed into a prime (12003405259) 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 7 ways as a sum of consecutive naturals, for example, 243627 + ... + 288722.

It is an arithmetic number, because the mean of its divisors is an integer number (1167621000).

Almost surely, 2^12003405252 is an apocalyptic number.

12003405252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12003405252 is an abundant number, since it is smaller than the sum of its proper divisors (16019498748).

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

12003405252 is a wasteful number, since it uses less digits than its factorization.

12003405252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534235 (or 534233 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 12003405252 its reverse (25250430021), we get a palindrome (37253835273).

The spelling of 12003405252 in words is "twelve billion, three million, four hundred five thousand, two hundred fifty-two".