12279376848 has 80 divisors (see below), whose sum is σ = 33505980480. Its totient is φ = 3864379392.

The previous prime is 12279376847. The next prime is 12279376859. The reversal of 12279376848 is 84867397221.

It is a super-3 number, since 3×12279376848³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12279376843) 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 15 ways as a sum of consecutive naturals, for example, 244240 + ... + 290192.

It is an arithmetic number, because the mean of its divisors is an integer number (418824756).

Almost surely, 2^12279376848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12279376848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16752990240).

12279376848 is an abundant number, since it is smaller than the sum of its proper divisors (21226603632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12279376848 is a wasteful number, since it uses less digits than its factorization.

12279376848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46276 (or 46270 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The spelling of 12279376848 in words is "twelve billion, two hundred seventy-nine million, three hundred seventy-six thousand, eight hundred forty-eight".