12287338442686 has 4 divisors (see below), whose sum is σ = 18431007664032. Its totient is φ = 6143669221342.

The previous prime is 12287338442671. The next prime is 12287338442693. The reversal of 12287338442686 is 68624483378221.

It is a happy number.

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

It is a super-4 number, since 4×12287338442686⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3071834610670 + ... + 3071834610673.

It is an arithmetic number, because the mean of its divisors is an integer number (4607751916008).

Almost surely, 2^{12287338442686} is an apocalyptic number.

12287338442686 is a deficient number, since it is larger than the sum of its proper divisors (6143669221346).

12287338442686 is an equidigital number, since it uses as much as digits as its factorization.

12287338442686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143669221345.

The product of its digits is 148635648, while the sum is 64.

The spelling of 12287338442686 in words is "twelve trillion, two hundred eighty-seven billion, three hundred thirty-eight million, four hundred forty-two thousand, six hundred eighty-six".