12320002213 has 4 divisors (see below), whose sum is σ = 12348455308. Its totient is φ = 12291549120.

The previous prime is 12320002193. The next prime is 12320002217. The reversal of 12320002213 is 31220002321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31220002321 = 18199 ⋅1715479.

It can be written as a sum of positive squares in 2 ways, for example, as 3993987204 + 8326015009 = 63198^2 + 91247^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320002213 - 2¹⁷ = 12319871141 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 (12320002217) 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, 14225898 + ... + 14226763.

It is an arithmetic number, because the mean of its divisors is an integer number (3087113827).

Almost surely, 2^12320002213 is an apocalyptic number.

It is an amenable number.

12320002213 is a deficient number, since it is larger than the sum of its proper divisors (28453095).

12320002213 is an equidigital number, since it uses as much as digits as its factorization.

12320002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28453094.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12320002213 its reverse (31220002321), we get a palindrome (43540004534).

The spelling of 12320002213 in words is "twelve billion, three hundred twenty million, two thousand, two hundred thirteen".