12426339500 has 48 divisors (see below), whose sum is σ = 27167125440. Its totient is φ = 4965408000.

The previous prime is 12426339449. The next prime is 12426339571. The reversal of 12426339500 is 593362421.

12426339500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492185 + ... + 516815.

It is an arithmetic number, because the mean of its divisors is an integer number (565981780).

Almost surely, 2^12426339500 is an apocalyptic number.

12426339500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12426339500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13583562720).

12426339500 is an abundant number, since it is smaller than the sum of its proper divisors (14740785940).

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

12426339500 is a wasteful number, since it uses less digits than its factorization.

12426339500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25659 (or 25647 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 12426339500 in words is "twelve billion, four hundred twenty-six million, three hundred thirty-nine thousand, five hundred".