12002321011320 has 96 divisors (see below), whose sum is σ = 40061801257920. Its totient is φ = 3114115718400.

The previous prime is 12002321011313. The next prime is 12002321011381. The reversal of 12002321011320 is 2311012320021.

12002321011320 is a `hidden beast` number, since 1 + 20 + 0 + 2 + 321 + 0 + 1 + 1 + 320 = 666.

It is a super-3 number, since 3×12002321011320³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12002321011293 and 12002321011302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450524256 + ... + 450550895.

It is an arithmetic number, because the mean of its divisors is an integer number (417310429770).

Almost surely, 2^{12002321011320} is an apocalyptic number.

12002321011320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002321011320 is an abundant number, since it is smaller than the sum of its proper divisors (28059480246600).

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

12002321011320 is a wasteful number, since it uses less digits than its factorization.

12002321011320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901075205 (or 901075198 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12002321011320 its reverse (2311012320021), we get a palindrome (14313333331341).

The spelling of 12002321011320 in words is "twelve trillion, two billion, three hundred twenty-one million, eleven thousand, three hundred twenty".