12501534320 has 40 divisors (see below), whose sum is σ = 31708439280. Its totient is φ = 4546012160.

The previous prime is 12501534301. The next prime is 12501534347. The reversal of 12501534320 is 2343510521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 12501534320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7102265 + ... + 7104024.

It is an arithmetic number, because the mean of its divisors is an integer number (792710982).

Almost surely, 2^12501534320 is an apocalyptic number.

12501534320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12501534320 is an abundant number, since it is smaller than the sum of its proper divisors (19206904960).

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

12501534320 is a wasteful number, since it uses less digits than its factorization.

12501534320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14206313 (or 14206307 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 12501534320 in words is "twelve billion, five hundred one million, five hundred thirty-four thousand, three hundred twenty".