12287040959 has 4 divisors (see below), whose sum is σ = 12287929104. Its totient is φ = 12286152816.

The previous prime is 12287040923. The next prime is 12287041009. The reversal of 12287040959 is 95904078221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12287040959 - 2¹² = 12287036863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12287042959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422987 + ... + 451100.

It is an arithmetic number, because the mean of its divisors is an integer number (3071982276).

Almost surely, 2^12287040959 is an apocalyptic number.

12287040959 is a deficient number, since it is larger than the sum of its proper divisors (888145).

12287040959 is an equidigital number, since it uses as much as digits as its factorization.

12287040959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888144.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 12287040959 in words is "twelve billion, two hundred eighty-seven million, forty thousand, nine hundred fifty-nine".