12210425440 has 96 divisors (see below), whose sum is σ = 30728061504. Its totient is φ = 4569169920.

The previous prime is 12210425419. The next prime is 12210425467. The reversal of 12210425440 is 4452401221.

12210425440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 440800 + ... + 467680.

It is an arithmetic number, because the mean of its divisors is an integer number (320083974).

Almost surely, 2^12210425440 is an apocalyptic number.

12210425440 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 12210425440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15364030752).

12210425440 is an abundant number, since it is smaller than the sum of its proper divisors (18517636064).

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

12210425440 is a wasteful number, since it uses less digits than its factorization.

12210425440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27080 (or 27072 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 12210425440 its reverse (4452401221), we get a palindrome (16662826661).

The spelling of 12210425440 in words is "twelve billion, two hundred ten million, four hundred twenty-five thousand, four hundred forty".