12444570725 has 24 divisors (see below), whose sum is σ = 15597995712. Its totient is φ = 9848304000.

The previous prime is 12444570689. The next prime is 12444570763. The reversal of 12444570725 is 52707544421.

It is not a de Polignac number, because 12444570725 - 2²⁰ = 12443522149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3069950 + ... + 3074000.

It is an arithmetic number, because the mean of its divisors is an integer number (649916488).

Almost surely, 2^12444570725 is an apocalyptic number.

It is an amenable number.

12444570725 is a deficient number, since it is larger than the sum of its proper divisors (3153424987).

12444570725 is a wasteful number, since it uses less digits than its factorization.

12444570725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357 (or 5352 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 41.

The spelling of 12444570725 in words is "twelve billion, four hundred forty-four million, five hundred seventy thousand, seven hundred twenty-five".