12287055870642 has 48 divisors (see below), whose sum is σ = 28662850510272. Its totient is φ = 3501175597920.

The previous prime is 12287055870641. The next prime is 12287055870643. The reversal of 12287055870642 is 24607855078221.

It is an interprime number because it is at equal distance from previous prime (12287055870641) and next prime (12287055870643).

It is not an unprimeable number, because it can be changed into a prime (12287055870641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55912734 + ... + 56132057.

It is an arithmetic number, because the mean of its divisors is an integer number (597142718964).

Almost surely, 2^{12287055870642} is an apocalyptic number.

12287055870642 is an abundant number, since it is smaller than the sum of its proper divisors (16375794639630).

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

12287055870642 is a wasteful number, since it uses less digits than its factorization.

12287055870642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112045183 (or 112045176 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 57.

The spelling of 12287055870642 in words is "twelve trillion, two hundred eighty-seven billion, fifty-five million, eight hundred seventy thousand, six hundred forty-two".