12315043403000 has 128 divisors (see below), whose sum is σ = 31036924638720. Its totient is φ = 4546651161600.

The previous prime is 12315043402979. The next prime is 12315043403009. The reversal of 12315043403000 is 30434051321.

12315043403000 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 (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315043403009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153450884 + ... + 153531116.

It is an arithmetic number, because the mean of its divisors is an integer number (242475973740).

Almost surely, 2^{12315043403000} is an apocalyptic number.

12315043403000 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 12315043403000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15518462319360).

12315043403000 is an abundant number, since it is smaller than the sum of its proper divisors (18721881235720).

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

12315043403000 is a wasteful number, since it uses less digits than its factorization.

12315043403000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92074 (or 92060 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 12315043403000 its reverse (30434051321), we get a palindrome (12345477454321).

The spelling of 12315043403000 in words is "twelve trillion, three hundred fifteen billion, forty-three million, four hundred three thousand".