12489023232 has 360 divisors, whose sum is σ = 42935446400. Its totient is φ = 3536898048.

The previous prime is 12489023231. The next prime is 12489023233. The reversal of 12489023232 is 23232098421.

12489023232 is a `hidden beast` number, since 1 + 248 + 90 + 2 + 323 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (12489023231) and next prime (12489023233).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12489023231) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20175819 + ... + 20176437.

Almost surely, 2^12489023232 is an apocalyptic number.

12489023232 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 12489023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21467723200).

12489023232 is an abundant number, since it is smaller than the sum of its proper divisors (30446423168).

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

12489023232 is an equidigital number, since it uses as much as digits as its factorization.

12489023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 12489023232 in words is "twelve billion, four hundred eighty-nine million, twenty-three thousand, two hundred thirty-two".