12542421360 has 320 divisors, whose sum is σ = 46924139520. Its totient is φ = 2707292160.

The previous prime is 12542421349. The next prime is 12542421391. The reversal of 12542421360 is 6312424521.

12542421360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 63 ways as a sum of consecutive naturals, for example, 19566640 + ... + 19567280.

It is an arithmetic number, because the mean of its divisors is an integer number (146637936).

Almost surely, 2^12542421360 is an apocalyptic number.

12542421360 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 12542421360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23462069760).

12542421360 is an abundant number, since it is smaller than the sum of its proper divisors (34381718160).

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

12542421360 is a wasteful number, since it uses less digits than its factorization.

12542421360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 12542421360 its reverse (6312424521), we get a palindrome (18854845881).

The spelling of 12542421360 in words is "twelve billion, five hundred forty-two million, four hundred twenty-one thousand, three hundred sixty".