12521867082 has 16 divisors (see below), whose sum is σ = 25291693152. Its totient is φ = 4132629200.

The previous prime is 12521867063. The next prime is 12521867087. The reversal of 12521867082 is 28076812521.

12521867082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12521867087) 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, 10330968 + ... + 10332179.

It is an arithmetic number, because the mean of its divisors is an integer number (1580730822).

Almost surely, 2^12521867082 is an apocalyptic number.

12521867082 is an abundant number, since it is smaller than the sum of its proper divisors (12769826070).

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

12521867082 is a wasteful number, since it uses less digits than its factorization.

12521867082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20663253.

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 12521867082 in words is "twelve billion, five hundred twenty-one million, eight hundred sixty-seven thousand, eighty-two".