12278079159 has 12 divisors (see below), whose sum is σ = 16462868856. Its totient is φ = 8139593968.

The previous prime is 12278079137. The next prime is 12278079193. The reversal of 12278079159 is 95197087221.

It is not a de Polignac number, because 12278079159 - 2⁹ = 12278078647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12278079109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32257 + ... + 159989.

It is an arithmetic number, because the mean of its divisors is an integer number (1371905738).

Almost surely, 2^12278079159 is an apocalyptic number.

12278079159 is a deficient number, since it is larger than the sum of its proper divisors (4184789697).

12278079159 is an equidigital number, since it uses as much as digits as its factorization.

12278079159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128094 (or 127915 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 51.

The spelling of 12278079159 in words is "twelve billion, two hundred seventy-eight million, seventy-nine thousand, one hundred fifty-nine".