12005231452 has 6 divisors (see below), whose sum is σ = 21009155048. Its totient is φ = 6002615724.

The previous prime is 12005231401. The next prime is 12005231467. The reversal of 12005231452 is 25413250021.

12005231452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1500653928 + ... + 1500653935.

Almost surely, 2^12005231452 is an apocalyptic number.

It is an amenable number.

12005231452 is a deficient number, since it is larger than the sum of its proper divisors (9003923596).

12005231452 is a wasteful number, since it uses less digits than its factorization.

12005231452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001307867 (or 3001307865 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 12005231452 its reverse (25413250021), we get a palindrome (37418481473).

The spelling of 12005231452 in words is "twelve billion, five million, two hundred thirty-one thousand, four hundred fifty-two".