12388182538 has 16 divisors (see below), whose sum is σ = 18615769920. Its totient is φ = 6182938336.

The previous prime is 12388182511. The next prime is 12388182553. The reversal of 12388182538 is 83528188321.

It is a junction number, because it is equal to n+sod(n) for n = 12388182491 and 12388182500.

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, 3446070 + ... + 3449662.

It is an arithmetic number, because the mean of its divisors is an integer number (1163485620).

Almost surely, 2^12388182538 is an apocalyptic number.

12388182538 is a deficient number, since it is larger than the sum of its proper divisors (6227587382).

12388182538 is a wasteful number, since it uses less digits than its factorization.

12388182538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221.

The product of its digits is 737280, while the sum is 49.

The spelling of 12388182538 in words is "twelve billion, three hundred eighty-eight million, one hundred eighty-two thousand, five hundred thirty-eight".