12020322203231 has 4 divisors (see below), whose sum is σ = 12020572930464. Its totient is φ = 12020071476000.

The previous prime is 12020322203179. The next prime is 12020322203251. The reversal of 12020322203231 is 13230222302021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12020322203231 - 2¹⁸ = 12020321941087 is a prime.

It is a super-2 number, since 2×12020322203231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020322203197 and 12020322203206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020322203251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125291690 + ... + 125387591.

It is an arithmetic number, because the mean of its divisors is an integer number (3005143232616).

Almost surely, 2^{12020322203231} is an apocalyptic number.

12020322203231 is a deficient number, since it is larger than the sum of its proper divisors (250727233).

12020322203231 is an equidigital number, since it uses as much as digits as its factorization.

12020322203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250727232.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12020322203231 its reverse (13230222302021), we get a palindrome (25250544505252).

The spelling of 12020322203231 in words is "twelve trillion, twenty billion, three hundred twenty-two million, two hundred three thousand, two hundred thirty-one".