12259546368 has 144 divisors (see below), whose sum is σ = 33499851840. Its totient is φ = 3978805248.

The previous prime is 12259546307. The next prime is 12259546381. The reversal of 12259546368 is 86364595221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12259546368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4578246 + ... + 4580922.

It is an arithmetic number, because the mean of its divisors is an integer number (232637860).

Almost surely, 2^12259546368 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 12259546368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16749925920).

12259546368 is an abundant number, since it is smaller than the sum of its proper divisors (21240305472).

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

12259546368 is an equidigital number, since it uses as much as digits as its factorization.

12259546368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852 (or 2838 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The spelling of 12259546368 in words is "twelve billion, two hundred fifty-nine million, five hundred forty-six thousand, three hundred sixty-eight".