12005102452 has 24 divisors (see below), whose sum is σ = 24130870400. Its totient is φ = 5119187040.

The previous prime is 12005102401. The next prime is 12005102453. The reversal of 12005102452 is 25420150021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005102453) 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, 1071699 + ... + 1082842.

Almost surely, 2^12005102452 is an apocalyptic number.

It is an amenable number.

12005102452 is an abundant number, since it is smaller than the sum of its proper divisors (12125767948).

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

12005102452 is a wasteful number, since it uses less digits than its factorization.

12005102452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154751 (or 2154749 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 12005102452 its reverse (25420150021), we get a palindrome (37425252473).

The spelling of 12005102452 in words is "twelve billion, five million, one hundred two thousand, four hundred fifty-two".