12438255005 has 16 divisors (see below), whose sum is σ = 16844284800. Its totient is φ = 8734071360.

The previous prime is 12438254957. The next prime is 12438255013. The reversal of 12438255005 is 50055283421.

It is not a de Polignac number, because 12438255005 - 2²⁶ = 12371146141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3897545 + ... + 3900734.

It is an arithmetic number, because the mean of its divisors is an integer number (1052767800).

Almost surely, 2^12438255005 is an apocalyptic number.

It is an amenable number.

12438255005 is a deficient number, since it is larger than the sum of its proper divisors (4406029795).

12438255005 is a wasteful number, since it uses less digits than its factorization.

12438255005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798324.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 12438255005 in words is "twelve billion, four hundred thirty-eight million, two hundred fifty-five thousand, five".