12320202131 has 2 divisors, whose sum is σ = 12320202132. Its totient is φ = 12320202130.

The previous prime is 12320202119. The next prime is 12320202151. The reversal of 12320202131 is 13120202321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12320202131 - 2⁶ = 12320202067 is a prime.

It is a super-2 number, since 2×12320202131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12320202101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160101065 + 6160101066.

It is an arithmetic number, because the mean of its divisors is an integer number (6160101066).

Almost surely, 2^12320202131 is an apocalyptic number.

12320202131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320202131 is an equidigital number, since it uses as much as digits as its factorization.

12320202131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12320202131 its reverse (13120202321), we get a palindrome (25440404452).

The spelling of 12320202131 in words is "twelve billion, three hundred twenty million, two hundred two thousand, one hundred thirty-one".