12327515575140 has 48 divisors (see below), whose sum is σ = 34748701646400. Its totient is φ = 3265274816640.

The previous prime is 12327515575103. The next prime is 12327515575169. The reversal of 12327515575140 is 4157551572321.

It is a self number, because there is not a number n which added to its sum of digits gives 12327515575140.

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, 689449426 + ... + 689467305.

It is an arithmetic number, because the mean of its divisors is an integer number (723931284300).

Almost surely, 2^{12327515575140} is an apocalyptic number.

12327515575140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12327515575140 is an abundant number, since it is smaller than the sum of its proper divisors (22421186071260).

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

12327515575140 is a wasteful number, since it uses less digits than its factorization.

12327515575140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378916892 (or 1378916890 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 48.

The spelling of 12327515575140 in words is "twelve trillion, three hundred twenty-seven billion, five hundred fifteen million, five hundred seventy-five thousand, one hundred forty".