12148239684 has 96 divisors (see below), whose sum is σ = 34127672320. Its totient is φ = 3285608832.

The previous prime is 12148239683. The next prime is 12148239707. The reversal of 12148239684 is 48693284121.

It is not an unprimeable number, because it can be changed into a prime (12148239683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2786034 + ... + 2790390.

Almost surely, 2^12148239684 is an apocalyptic number.

12148239684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12148239684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17063836160).

12148239684 is an abundant number, since it is smaller than the sum of its proper divisors (21979432636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12148239684 is a wasteful number, since it uses less digits than its factorization.

12148239684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137 (or 6135 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The spelling of 12148239684 in words is "twelve billion, one hundred forty-eight million, two hundred thirty-nine thousand, six hundred eighty-four".