12501553024 has 128 divisors (see below), whose sum is σ = 27369619200. Its totient is φ = 5662310400.

The previous prime is 12501553021. The next prime is 12501553037. The reversal of 12501553024 is 42035510521.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 12501552983 and 12501553001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12501553021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16256512 + ... + 16257280.

It is an arithmetic number, because the mean of its divisors is an integer number (213825150).

Almost surely, 2^12501553024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12501553024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13684809600).

12501553024 is an abundant number, since it is smaller than the sum of its proper divisors (14868066176).

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

12501553024 is a wasteful number, since it uses less digits than its factorization.

12501553024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 12501553024 in words is "twelve billion, five hundred one million, five hundred fifty-three thousand, twenty-four".