12020020303231 has 2 divisors, whose sum is σ = 12020020303232. Its totient is φ = 12020020303230.

The previous prime is 12020020303217. The next prime is 12020020303259. The reversal of 12020020303231 is 13230302002021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12020020303231 - 2⁷ = 12020020303103 is a prime.

It is a super-2 number, since 2×12020020303231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12020020303199 and 12020020303208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020020304231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010010151615 + 6010010151616.

It is an arithmetic number, because the mean of its divisors is an integer number (6010010151616).

Almost surely, 2^{12020020303231} is an apocalyptic number.

12020020303231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020020303231 is an equidigital number, since it uses as much as digits as its factorization.

12020020303231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12020020303231 its reverse (13230302002021), we get a palindrome (25250322305252).

The spelling of 12020020303231 in words is "twelve trillion, twenty billion, twenty million, three hundred three thousand, two hundred thirty-one".