12278366583 has 8 divisors (see below), whose sum is σ = 18709891968. Its totient is φ = 7016209464.

The previous prime is 12278366563. The next prime is 12278366593. The reversal of 12278366583 is 38566387221.

It is a happy number.

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

It is not a de Polignac number, because 12278366583 - 2¹² = 12278362487 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12278366563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292342041 + ... + 292342082.

It is an arithmetic number, because the mean of its divisors is an integer number (2338736496).

Almost surely, 2^12278366583 is an apocalyptic number.

12278366583 is a deficient number, since it is larger than the sum of its proper divisors (6431525385).

12278366583 is an equidigital number, since it uses as much as digits as its factorization.

12278366583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584684133.

The product of its digits is 2903040, while the sum is 51.

The spelling of 12278366583 in words is "twelve billion, two hundred seventy-eight million, three hundred sixty-six thousand, five hundred eighty-three".