12501387605982 has 24 divisors (see below), whose sum is σ = 27482389284168. Its totient is φ = 3788299274320.

The previous prime is 12501387605981. The next prime is 12501387606031. The reversal of 12501387605982 is 28950678310521.

It is a super-3 number, since 3×12501387605982³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12501387605981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8609770353 + ... + 8609771804.

It is an arithmetic number, because the mean of its divisors is an integer number (1145099553507).

Almost surely, 2^{12501387605982} is an apocalyptic number.

12501387605982 is an abundant number, since it is smaller than the sum of its proper divisors (14981001678186).

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

12501387605982 is a wasteful number, since it uses less digits than its factorization.

12501387605982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17219542184 (or 17219542173 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 12501387605982 in words is "twelve trillion, five hundred one billion, three hundred eighty-seven million, six hundred five thousand, nine hundred eighty-two".