12362720640 has 256 divisors, whose sum is σ = 41455411200. Its totient is φ = 3129384960.

The previous prime is 12362720581. The next prime is 12362720641. The reversal of 12362720640 is 4602726321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12362720641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3152601 + ... + 3156519.

It is an arithmetic number, because the mean of its divisors is an integer number (161935200).

Almost surely, 2^12362720640 is an apocalyptic number.

12362720640 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 12362720640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20727705600).

12362720640 is an abundant number, since it is smaller than the sum of its proper divisors (29092690560).

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

12362720640 is a wasteful number, since it uses less digits than its factorization.

12362720640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025 (or 4013 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 12362720640 in words is "twelve billion, three hundred sixty-two million, seven hundred twenty thousand, six hundred forty".