12320013012320 has 72 divisors (see below), whose sum is σ = 31517181286416. Its totient is φ = 4548927871488.

The previous prime is 12320013012313. The next prime is 12320013012353. The reversal of 12320013012320 is 2321031002321.

It is a super-6 number, since 6×12320013012320⁶ (a number of 80 digits) contains 666666 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12320013012292 and 12320013012301.

It is a congruent number.

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, 227783852 + ... + 227837931.

It is an arithmetic number, because the mean of its divisors is an integer number (437738628978).

Almost surely, 2^{12320013012320} is an apocalyptic number.

12320013012320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320013012320 is an abundant number, since it is smaller than the sum of its proper divisors (19197168274096).

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

12320013012320 is a wasteful number, since it uses less digits than its factorization.

12320013012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455621824 (or 455621803 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12320013012320 its reverse (2321031002321), we get a palindrome (14641044014641).

The spelling of 12320013012320 in words is "twelve trillion, three hundred twenty billion, thirteen million, twelve thousand, three hundred twenty".