12321104121340 has 24 divisors (see below), whose sum is σ = 29570649891552. Its totient is φ = 4224378555840.

The previous prime is 12321104121329. The next prime is 12321104121341. The reversal of 12321104121340 is 4312140112321.

It is a super-3 number, since 3×12321104121340³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321104121341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44003943151 + ... + 44003943430.

It is an arithmetic number, because the mean of its divisors is an integer number (1232110412148).

Almost surely, 2^{12321104121340} is an apocalyptic number.

12321104121340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321104121340 is an abundant number, since it is smaller than the sum of its proper divisors (17249545770212).

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

12321104121340 is a wasteful number, since it uses less digits than its factorization.

12321104121340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88007886597 (or 88007886595 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 12321104121340 its reverse (4312140112321), we get a palindrome (16633244233661).

The spelling of 12321104121340 in words is "twelve trillion, three hundred twenty-one billion, one hundred four million, one hundred twenty-one thousand, three hundred forty".