12505436374 has 8 divisors (see below), whose sum is σ = 18759766968. Its totient is φ = 6252180720.

The previous prime is 12505436353. The next prime is 12505436387. The reversal of 12505436374 is 47363450521.

It is a happy number.

12505436374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 238992 + ... + 286579.

It is an arithmetic number, because the mean of its divisors is an integer number (2344970871).

Almost surely, 2^12505436374 is an apocalyptic number.

12505436374 is a deficient number, since it is larger than the sum of its proper divisors (6254330594).

12505436374 is a wasteful number, since it uses less digits than its factorization.

12505436374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537470.

The product of its (nonzero) digits is 302400, while the sum is 40.

Adding to 12505436374 its reverse (47363450521), we get a palindrome (59868886895).

The spelling of 12505436374 in words is "twelve billion, five hundred five million, four hundred thirty-six thousand, three hundred seventy-four".