12534924432 has 80 divisors (see below), whose sum is σ = 34409351232. Its totient is φ = 3918458880.

The previous prime is 12534924421. The next prime is 12534924443. The reversal of 12534924432 is 23442943521.

It is an interprime number because it is at equal distance from previous prime (12534924421) and next prime (12534924443).

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, 201963 + ... + 256629.

Almost surely, 2^12534924432 is an apocalyptic number.

12534924432 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 12534924432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17204675616).

12534924432 is an abundant number, since it is smaller than the sum of its proper divisors (21874426800).

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

12534924432 is a wasteful number, since it uses less digits than its factorization.

12534924432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54976 (or 54970 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The spelling of 12534924432 in words is "twelve billion, five hundred thirty-four million, nine hundred twenty-four thousand, four hundred thirty-two".