12026686344 has 128 divisors (see below), whose sum is σ = 31871385600. Its totient is φ = 3776647680.

The previous prime is 12026686339. The next prime is 12026686351. The reversal of 12026686344 is 44368662021.

It is a junction number, because it is equal to n+sod(n) for n = 12026686296 and 12026686305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4289247 + ... + 4292049.

It is an arithmetic number, because the mean of its divisors is an integer number (248995200).

Almost surely, 2^12026686344 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 12026686344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15935692800).

12026686344 is an abundant number, since it is smaller than the sum of its proper divisors (19844699256).

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

12026686344 is a wasteful number, since it uses less digits than its factorization.

12026686344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995 (or 2991 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 12026686344 in words is "twelve billion, twenty-six million, six hundred eighty-six thousand, three hundred forty-four".