12529804812 has 96 divisors (see below), whose sum is σ = 34569400320. Its totient is φ = 3456552960.

The previous prime is 12529804811. The next prime is 12529804813. The reversal of 12529804812 is 21840892521.

12529804812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12529804811) and next prime (12529804813).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (12529804811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1184764 + ... + 1195292.

It is an arithmetic number, because the mean of its divisors is an integer number (360097920).

Almost surely, 2^12529804812 is an apocalyptic number.

12529804812 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 12529804812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17284700160).

12529804812 is an abundant number, since it is smaller than the sum of its proper divisors (22039595508).

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

12529804812 is a wasteful number, since it uses less digits than its factorization.

12529804812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031 (or 11029 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 12529804812 in words is "twelve billion, five hundred twenty-nine million, eight hundred four thousand, eight hundred twelve".