12439429248 has 32 divisors (see below), whose sum is σ = 33042234960. Its totient is φ = 4146476288.

The previous prime is 12439429231. The next prime is 12439429297. The reversal of 12439429248 is 84292493421.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 12439429197 and 12439429206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16196790 + ... + 16197557.

Almost surely, 2^12439429248 is an apocalyptic number.

It is an amenable number.

12439429248 is an abundant number, since it is smaller than the sum of its proper divisors (20602805712).

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

12439429248 is an equidigital number, since it uses as much as digits as its factorization.

12439429248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32394364 (or 32394352 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The spelling of 12439429248 in words is "twelve billion, four hundred thirty-nine million, four hundred twenty-nine thousand, two hundred forty-eight".