12085321600 has 96 divisors (see below), whose sum is σ = 32568663240. Its totient is φ = 4394649600.

The previous prime is 12085321597. The next prime is 12085321601. The reversal of 12085321600 is 612358021.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12085321601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136467 + ... + 206866.

Almost surely, 2^12085321600 is an apocalyptic number.

12085321600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12085321600 is an abundant number, since it is smaller than the sum of its proper divisors (20483341640).

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

12085321600 is a wasteful number, since it uses less digits than its factorization.

12085321600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343368 (or 343351 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 12085321600 its reverse (612358021), we get a palindrome (12697679621).

The spelling of 12085321600 in words is "twelve billion, eighty-five million, three hundred twenty-one thousand, six hundred".