12479989248 has 80 divisors (see below), whose sum is σ = 36941675760. Its totient is φ = 4159991808.

The previous prime is 12479989243. The next prime is 12479989273. The reversal of 12479989248 is 84298997421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12479989243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437565 + ... + 465212.

It is an arithmetic number, because the mean of its divisors is an integer number (461770947).

Almost surely, 2^12479989248 is an apocalyptic number.

12479989248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12479989248 is an abundant number, since it is smaller than the sum of its proper divisors (24461686512).

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

12479989248 is an frugal number, since it uses more digits than its factorization.

12479989248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902804 (or 902782 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The spelling of 12479989248 in words is "twelve billion, four hundred seventy-nine million, nine hundred eighty-nine thousand, two hundred forty-eight".