12320111132021 has 20 divisors (see below), whose sum is σ = 15679208521344. Its totient is φ = 9600086575800.

The previous prime is 12320111132003. The next prime is 12320111132041. The reversal of 12320111132021 is 12023111102321.

It is not a de Polignac number, because 12320111132021 - 2³⁴ = 12302931262837 is a prime.

It is a super-3 number, since 3×12320111132021³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12320111131984 and 12320111132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320111132041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 233211845 + ... + 233264666.

Almost surely, 2^{12320111132021} is an apocalyptic number.

12320111132021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12320111132021 is a deficient number, since it is larger than the sum of its proper divisors (3359097389323).

12320111132021 is an frugal number, since it uses more digits than its factorization.

12320111132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466476550 (or 466476529 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12320111132021 its reverse (12023111102321), we get a palindrome (24343222234342).

The spelling of 12320111132021 in words is "twelve trillion, three hundred twenty billion, one hundred eleven million, one hundred thirty-two thousand, twenty-one".