12501135452 has 12 divisors (see below), whose sum is σ = 23559832296. Its totient is φ = 5769754800.

The previous prime is 12501135401. The next prime is 12501135497. The reversal of 12501135452 is 25453110521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120203174 + ... + 120203277.

It is an arithmetic number, because the mean of its divisors is an integer number (1963319358).

Almost surely, 2^12501135452 is an apocalyptic number.

It is an amenable number.

12501135452 is a deficient number, since it is larger than the sum of its proper divisors (11058696844).

12501135452 is a wasteful number, since it uses less digits than its factorization.

12501135452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240406468 (or 240406466 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 12501135452 its reverse (25453110521), we get a palindrome (37954245973).

The spelling of 12501135452 in words is "twelve billion, five hundred one million, one hundred thirty-five thousand, four hundred fifty-two".