12301205249 has 4 divisors (see below), whose sum is σ = 12303311364. Its totient is φ = 12299099136.

The previous prime is 12301205233. The next prime is 12301205291. The reversal of 12301205249 is 94250210321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94250210321 = 71 ⋅1327467751.

It can be written as a sum of positive squares in 2 ways, for example, as 9031081024 + 3270124225 = 95032^2 + 57185^2 .

It is a cyclic number.

It is not a de Polignac number, because 12301205249 - 2⁴ = 12301205233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12301205149) 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 3 ways as a sum of consecutive naturals, for example, 1044272 + ... + 1055985.

It is an arithmetic number, because the mean of its divisors is an integer number (3075827841).

Almost surely, 2^12301205249 is an apocalyptic number.

It is an amenable number.

12301205249 is a deficient number, since it is larger than the sum of its proper divisors (2106115).

12301205249 is an equidigital number, since it uses as much as digits as its factorization.

12301205249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106114.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 12301205249 in words is "twelve billion, three hundred one million, two hundred five thousand, two hundred forty-nine".