12872404444 has 24 divisors (see below), whose sum is σ = 23120416368. Its totient is φ = 6267173760.

The previous prime is 12872404429. The next prime is 12872404477. The reversal of 12872404444 is 44440427821.

It is a junction number, because it is equal to n+sod(n) for n = 12872404397 and 12872404406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10734 + ... + 160810.

It is an arithmetic number, because the mean of its divisors is an integer number (963350682).

Almost surely, 2^12872404444 is an apocalyptic number.

It is an amenable number.

12872404444 is a deficient number, since it is larger than the sum of its proper divisors (10248011924).

12872404444 is a wasteful number, since it uses less digits than its factorization.

12872404444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150645 (or 150643 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 40.

It can be divided in two parts, 12872 and 404444, that added together give a square (417316 = 646²).

The spelling of 12872404444 in words is "twelve billion, eight hundred seventy-two million, four hundred four thousand, four hundred forty-four".