12015533504 has 56 divisors (see below), whose sum is σ = 25733947008. Its totient is φ = 5533424640.

The previous prime is 12015533501. The next prime is 12015533521. The reversal of 12015533504 is 40533551021.

12015533504 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 (12015533501) 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 7 ways as a sum of consecutive naturals, for example, 367889 + ... + 399215.

It is an arithmetic number, because the mean of its divisors is an integer number (459534768).

Almost surely, 2^12015533504 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 12015533504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12866973504).

12015533504 is an abundant number, since it is smaller than the sum of its proper divisors (13718413504).

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

12015533504 is a wasteful number, since it uses less digits than its factorization.

12015533504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31813 (or 31803 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 12015533504 in words is "twelve billion, fifteen million, five hundred thirty-three thousand, five hundred four".