12420514213 has 4 divisors (see below), whose sum is σ = 12441181228. Its totient is φ = 12399847200.

The previous prime is 12420514159. The next prime is 12420514217. The reversal of 12420514213 is 31241502421.

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 6383690404 + 6036823809 = 79898^2 + 77697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12420514213 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 (12420514217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10332606 + ... + 10333807.

It is an arithmetic number, because the mean of its divisors is an integer number (3110295307).

Almost surely, 2^12420514213 is an apocalyptic number.

It is an amenable number.

12420514213 is a deficient number, since it is larger than the sum of its proper divisors (20667015).

12420514213 is an equidigital number, since it uses as much as digits as its factorization.

12420514213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20667014.

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 12420514213 in words is "twelve billion, four hundred twenty million, five hundred fourteen thousand, two hundred thirteen".