12536210131 has 2 divisors, whose sum is σ = 12536210132. Its totient is φ = 12536210130.

The previous prime is 12536210117. The next prime is 12536210171. The reversal of 12536210131 is 13101263521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12536210131 - 2¹³ = 12536201939 is a prime.

It is a super-2 number, since 2×12536210131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12536210096 and 12536210105.

It is not a weakly prime, because it can be changed into another prime (12536210171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6268105065 + 6268105066.

It is an arithmetic number, because the mean of its divisors is an integer number (6268105066).

Almost surely, 2^12536210131 is an apocalyptic number.

12536210131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12536210131 is an equidigital number, since it uses as much as digits as its factorization.

12536210131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 12536210131 its reverse (13101263521), we get a palindrome (25637473652).

The spelling of 12536210131 in words is "twelve billion, five hundred thirty-six million, two hundred ten thousand, one hundred thirty-one".