12197047013 has 4 divisors (see below), whose sum is σ = 12235523820. Its totient is φ = 12158570208.

The previous prime is 12197047007. The next prime is 12197047019. The reversal of 12197047013 is 31074079121.

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

It is an interprime number because it is at equal distance from previous prime (12197047007) and next prime (12197047019).

It can be written as a sum of positive squares in 2 ways, for example, as 6505551649 + 5691495364 = 80657^2 + 75442^2 .

It is a cyclic number.

It is not a de Polignac number, because 12197047013 - 2¹⁶ = 12196981477 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 (12197047019) 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, 19237928 + ... + 19238561.

It is an arithmetic number, because the mean of its divisors is an integer number (3058880955).

Almost surely, 2^12197047013 is an apocalyptic number.

It is an amenable number.

12197047013 is a deficient number, since it is larger than the sum of its proper divisors (38476807).

12197047013 is an equidigital number, since it uses as much as digits as its factorization.

12197047013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38476806.

The product of its (nonzero) digits is 10584, while the sum is 35.

The spelling of 12197047013 in words is "twelve billion, one hundred ninety-seven million, forty-seven thousand, thirteen".