12502709444 has 24 divisors (see below), whose sum is σ = 22029184128. Its totient is φ = 6208693920.

The previous prime is 12502709407. The next prime is 12502709447. The reversal of 12502709444 is 44490720521.

It is a junction number, because it is equal to n+sod(n) for n = 12502709398 and 12502709407.

It is not an unprimeable number, because it can be changed into a prime (12502709447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2277527 + ... + 2283009.

It is an arithmetic number, because the mean of its divisors is an integer number (917882672).

Almost surely, 2^12502709444 is an apocalyptic number.

It is an amenable number.

12502709444 is a deficient number, since it is larger than the sum of its proper divisors (9526474684).

12502709444 is a wasteful number, since it uses less digits than its factorization.

12502709444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9275 (or 9273 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 12502709444 in words is "twelve billion, five hundred two million, seven hundred nine thousand, four hundred forty-four".