12465340213 has 4 divisors (see below), whose sum is σ = 12466279980. Its totient is φ = 12464400448.

The previous prime is 12465340189. The next prime is 12465340231. The reversal of 12465340213 is 31204356421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9983606724 + 2481733489 = 99918^2 + 49817^2 .

It is a cyclic number.

It is not a de Polignac number, because 12465340213 - 2²⁵ = 12431785781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12465340313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449698 + ... + 476611.

It is an arithmetic number, because the mean of its divisors is an integer number (3116569995).

Almost surely, 2^12465340213 is an apocalyptic number.

It is an amenable number.

12465340213 is a deficient number, since it is larger than the sum of its proper divisors (939767).

12465340213 is an equidigital number, since it uses as much as digits as its factorization.

12465340213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939766.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 12465340213 its reverse (31204356421), we get a palindrome (43669696634).

The spelling of 12465340213 in words is "twelve billion, four hundred sixty-five million, three hundred forty thousand, two hundred thirteen".