12489352752 has 80 divisors (see below), whose sum is σ = 33467147648. Its totient is φ = 4010549760.

The previous prime is 12489352727. The next prime is 12489352781. The reversal of 12489352752 is 25725398421.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109227 + ... + 192117.

Almost surely, 2^12489352752 is an apocalyptic number.

12489352752 is a gapful number since it is divisible by the number (12) 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 12489352752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16733573824).

12489352752 is an abundant number, since it is smaller than the sum of its proper divisors (20977794896).

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

12489352752 is a wasteful number, since it uses less digits than its factorization.

12489352752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83018 (or 83012 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The spelling of 12489352752 in words is "twelve billion, four hundred eighty-nine million, three hundred fifty-two thousand, seven hundred fifty-two".