12253515520 has 36 divisors (see below), whose sum is σ = 29351001960. Its totient is φ = 4901405696.

The previous prime is 12253515517. The next prime is 12253515529. The reversal of 12253515520 is 2551535221.

12253515520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253515529) 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 3 ways as a sum of consecutive naturals, for example, 4785250 + ... + 4787809.

It is an arithmetic number, because the mean of its divisors is an integer number (815305610).

Almost surely, 2^12253515520 is an apocalyptic number.

12253515520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12253515520 is an abundant number, since it is smaller than the sum of its proper divisors (17097486440).

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

12253515520 is an frugal number, since it uses more digits than its factorization.

12253515520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9573080 (or 9573066 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 12253515520 in words is "twelve billion, two hundred fifty-three million, five hundred fifteen thousand, five hundred twenty".