12327138403600 has 60 divisors (see below), whose sum is σ = 30416381132644. Its totient is φ = 4797588994560.

The previous prime is 12327138403589. The next prime is 12327138403631. The reversal of 12327138403600 is 630483172321.

It can be written as a sum of positive squares in 6 ways, for example, as 395474961424 + 11931663442176 = 628868^2 + 3454224^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416442579 + ... + 416472178.

Almost surely, 2^{12327138403600} is an apocalyptic number.

12327138403600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12327138403600 is an abundant number, since it is smaller than the sum of its proper divisors (18089242729044).

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

12327138403600 is a wasteful number, since it uses less digits than its factorization.

12327138403600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832914812 (or 832914801 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 12327138403600 in words is "twelve trillion, three hundred twenty-seven billion, one hundred thirty-eight million, four hundred three thousand, six hundred".