12231001117 has 2 divisors, whose sum is σ = 12231001118. Its totient is φ = 12231001116.

The previous prime is 12231001103. The next prime is 12231001127. The reversal of 12231001117 is 71110013221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9317268676 + 2913732441 = 96526^2 + 53979^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231001117 - 2¹¹ = 12230999069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12231001094 and 12231001103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231001127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115500558 + 6115500559.

It is an arithmetic number, because the mean of its divisors is an integer number (6115500559).

Almost surely, 2^12231001117 is an apocalyptic number.

It is an amenable number.

12231001117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231001117 is an equidigital number, since it uses as much as digits as its factorization.

12231001117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 12231001117 its reverse (71110013221), we get a palindrome (83341014338).

The spelling of 12231001117 in words is "twelve billion, two hundred thirty-one million, one thousand, one hundred seventeen".