12287020836578 has 8 divisors (see below), whose sum is σ = 18430654127040. Its totient is φ = 6143469460900.

The previous prime is 12287020836577. The next prime is 12287020836611. The reversal of 12287020836578 is 87563802078221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12287020836577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20102318 + ... + 20704521.

It is an arithmetic number, because the mean of its divisors is an integer number (2303831765880).

Almost surely, 2^{12287020836578} is an apocalyptic number.

12287020836578 is a deficient number, since it is larger than the sum of its proper divisors (6143633290462).

12287020836578 is a wasteful number, since it uses less digits than its factorization.

12287020836578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40957392.

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 12287020836578 in words is "twelve trillion, two hundred eighty-seven billion, twenty million, eight hundred thirty-six thousand, five hundred seventy-eight".