12524367021 has 16 divisors (see below), whose sum is σ = 16797901824. Its totient is φ = 8300316464.

The previous prime is 12524366993. The next prime is 12524367061. The reversal of 12524367021 is 12076342521.

12524367021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12524367021 - 2¹⁷ = 12524235949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12524367061) 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 15 ways as a sum of consecutive naturals, for example, 451660 + ... + 478586.

It is an arithmetic number, because the mean of its divisors is an integer number (1049868864).

Almost surely, 2^12524367021 is an apocalyptic number.

It is an amenable number.

12524367021 is a deficient number, since it is larger than the sum of its proper divisors (4273534803).

12524367021 is a wasteful number, since it uses less digits than its factorization.

12524367021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27840.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 12524367021 in words is "twelve billion, five hundred twenty-four million, three hundred sixty-seven thousand, twenty-one".