12298271397 has 4 divisors (see below), whose sum is σ = 16397695200. Its totient is φ = 8198847596.

The previous prime is 12298271371. The next prime is 12298271407. The reversal of 12298271397 is 79317289221.

12298271397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 12298271397 - 2¹² = 12298267301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12298271897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2049711897 + ... + 2049711902.

It is an arithmetic number, because the mean of its divisors is an integer number (4099423800).

Almost surely, 2^12298271397 is an apocalyptic number.

It is an amenable number.

12298271397 is a deficient number, since it is larger than the sum of its proper divisors (4099423803).

12298271397 is an equidigital number, since it uses as much as digits as its factorization.

12298271397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099423802.

The product of its digits is 762048, while the sum is 51.

The spelling of 12298271397 in words is "twelve billion, two hundred ninety-eight million, two hundred seventy-one thousand, three hundred ninety-seven".