12438083524905 has 96 divisors (see below), whose sum is σ = 23075012688000. Its totient is φ = 6179087047680.

The previous prime is 12438083524903. The next prime is 12438083524949. The reversal of 12438083524905 is 50942538083421.

12438083524905 is a `hidden beast` number, since 1 + 2 + 4 + 38 + 0 + 83 + 524 + 9 + 0 + 5 = 666.

It is not a de Polignac number, because 12438083524905 - 2¹ = 12438083524903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12438083524903) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 138635301 + ... + 138724989.

It is an arithmetic number, because the mean of its divisors is an integer number (240364715500).

Almost surely, 2^{12438083524905} is an apocalyptic number.

12438083524905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12438083524905 is a deficient number, since it is larger than the sum of its proper divisors (10636929163095).

12438083524905 is a wasteful number, since it uses less digits than its factorization.

12438083524905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92439 (or 92436 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 12438083524905 in words is "twelve trillion, four hundred thirty-eight billion, eighty-three million, five hundred twenty-four thousand, nine hundred five".