12213798913 has 8 divisors (see below), whose sum is σ = 12230524008. Its totient is φ = 12197088384.

The previous prime is 12213798911. The next prime is 12213798917. The reversal of 12213798913 is 31989731221.

It can be written as a sum of positive squares in 4 ways, for example, as 2725675264 + 9488123649 = 52208^2 + 97407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12213798913 - 2¹ = 12213798911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213798911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3471031 + ... + 3474547.

It is an arithmetic number, because the mean of its divisors is an integer number (1528815501).

Almost surely, 2^12213798913 is an apocalyptic number.

It is an amenable number.

12213798913 is a deficient number, since it is larger than the sum of its proper divisors (16725095).

12213798913 is a wasteful number, since it uses less digits than its factorization.

12213798913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283.

The product of its digits is 163296, while the sum is 46.

The spelling of 12213798913 in words is "twelve billion, two hundred thirteen million, seven hundred ninety-eight thousand, nine hundred thirteen".