12124203131 has 2 divisors, whose sum is σ = 12124203132. Its totient is φ = 12124203130.

The previous prime is 12124203109. The next prime is 12124203149. The reversal of 12124203131 is 13130242121.

12124203131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12124203131 - 2¹⁰ = 12124202107 is a prime.

It is a super-2 number, since 2×12124203131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12124203151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062101565 + 6062101566.

It is an arithmetic number, because the mean of its divisors is an integer number (6062101566).

Almost surely, 2^12124203131 is an apocalyptic number.

12124203131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12124203131 is an equidigital number, since it uses as much as digits as its factorization.

12124203131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12124203131 its reverse (13130242121), we get a palindrome (25254445252).

The spelling of 12124203131 in words is "twelve billion, one hundred twenty-four million, two hundred three thousand, one hundred thirty-one".