12615238148 has 24 divisors (see below), whose sum is σ = 23064070680. Its totient is φ = 6029811200.

The previous prime is 12615238123. The next prime is 12615238193. The reversal of 12615238148 is 84183251621.

12615238148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2247518464 + 10367719684 = 47408^2 + 101822^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526661 + ... + 550092.

It is an arithmetic number, because the mean of its divisors is an integer number (961002945).

Almost surely, 2^12615238148 is an apocalyptic number.

It is an amenable number.

12615238148 is a deficient number, since it is larger than the sum of its proper divisors (10448832532).

12615238148 is a wasteful number, since it uses less digits than its factorization.

12615238148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076887 (or 1076885 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

Adding to 12615238148 its reverse (84183251621), we get a palindrome (96798489769).

The spelling of 12615238148 in words is "twelve billion, six hundred fifteen million, two hundred thirty-eight thousand, one hundred forty-eight".