12315140052500 has 60 divisors (see below), whose sum is σ = 27102282559044. Its totient is φ = 4894679712000.

The previous prime is 12315140052419. The next prime is 12315140052503. The reversal of 12315140052500 is 525004151321.

It can be written as a sum of positive squares in 10 ways, for example, as 8288479776784 + 4026660275716 = 2878972^2 + 2006654^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315140052503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15295577 + ... + 16080576.

Almost surely, 2^{12315140052500} is an apocalyptic number.

12315140052500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12315140052500 is an abundant number, since it is smaller than the sum of its proper divisors (14787142506544).

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

12315140052500 is a wasteful number, since it uses less digits than its factorization.

12315140052500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31376334 (or 31376317 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 12315140052500 in words is "twelve trillion, three hundred fifteen billion, one hundred forty million, fifty-two thousand, five hundred".