12216304713 has 4 divisors (see below), whose sum is σ = 16288406288. Its totient is φ = 8144203140.

The previous prime is 12216304699. The next prime is 12216304717. The reversal of 12216304713 is 31740361221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31740361221 = 3 ⋅10580120407.

It is not a de Polignac number, because 12216304713 - 2¹² = 12216300617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12216304717) 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, 2036050783 + ... + 2036050788.

It is an arithmetic number, because the mean of its divisors is an integer number (4072101572).

Almost surely, 2^12216304713 is an apocalyptic number.

It is an amenable number.

12216304713 is a deficient number, since it is larger than the sum of its proper divisors (4072101575).

12216304713 is an equidigital number, since it uses as much as digits as its factorization.

12216304713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072101574.

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 12216304713 its reverse (31740361221), we get a palindrome (43956665934).

The spelling of 12216304713 in words is "twelve billion, two hundred sixteen million, three hundred four thousand, seven hundred thirteen".