12243001613 has 2 divisors, whose sum is σ = 12243001614. Its totient is φ = 12243001612.

The previous prime is 12243001609. The next prime is 12243001621. The reversal of 12243001613 is 31610034221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11546147209 + 696854404 = 107453^2 + 26398^2 .

It is an emirp because it is prime and its reverse (31610034221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12243001613 - 2² = 12243001609 is a prime.

It is a super-3 number, since 3×12243001613³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12243021613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121500806 + 6121500807.

It is an arithmetic number, because the mean of its divisors is an integer number (6121500807).

Almost surely, 2^12243001613 is an apocalyptic number.

It is an amenable number.

12243001613 is a deficient number, since it is larger than the sum of its proper divisors (1).

12243001613 is an equidigital number, since it uses as much as digits as its factorization.

12243001613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12243001613 its reverse (31610034221), we get a palindrome (43853035834).

The spelling of 12243001613 in words is "twelve billion, two hundred forty-three million, one thousand, six hundred thirteen".