12140315424 has 96 divisors (see below), whose sum is σ = 35523895680. Its totient is φ = 4033670400.

The previous prime is 12140315413. The next prime is 12140315491. The reversal of 12140315424 is 42451304121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246114 + ... + 291294.

It is an arithmetic number, because the mean of its divisors is an integer number (370040580).

Almost surely, 2^12140315424 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 12140315424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17761947840).

12140315424 is an abundant number, since it is smaller than the sum of its proper divisors (23383580256).

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

12140315424 is a wasteful number, since it uses less digits than its factorization.

12140315424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45511 (or 45497 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 12140315424 its reverse (42451304121), we get a palindrome (54591619545).

The spelling of 12140315424 in words is "twelve billion, one hundred forty million, three hundred fifteen thousand, four hundred twenty-four".