12634241231 has 4 divisors (see below), whose sum is σ = 12652740072. Its totient is φ = 12615742392.

The previous prime is 12634241201. The next prime is 12634241261. The reversal of 12634241231 is 13214243621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13214243621 = 137 ⋅96454333.

It is an interprime number because it is at equal distance from previous prime (12634241201) and next prime (12634241261).

It is a cyclic number.

It is not a de Polignac number, because 12634241231 - 2²⁶ = 12567132367 is a prime.

It is a super-2 number, since 2×12634241231² (a number of 21 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 = 12634241194 and 12634241203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12634241201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9248396 + ... + 9249761.

It is an arithmetic number, because the mean of its divisors is an integer number (3163185018).

Almost surely, 2^12634241231 is an apocalyptic number.

12634241231 is a deficient number, since it is larger than the sum of its proper divisors (18498841).

12634241231 is an equidigital number, since it uses as much as digits as its factorization.

12634241231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18498840.

The product of its digits is 6912, while the sum is 29.

Adding to 12634241231 its reverse (13214243621), we get a palindrome (25848484852).

The spelling of 12634241231 in words is "twelve billion, six hundred thirty-four million, two hundred forty-one thousand, two hundred thirty-one".