12267338849 has 4 divisors (see below), whose sum is σ = 12267573780. Its totient is φ = 12267103920.

The previous prime is 12267338833. The next prime is 12267338851. The reversal of 12267338849 is 94883376221.

12267338849 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.

It can be written as a sum of positive squares in 2 ways, for example, as 10201000000 + 2066338849 = 101000^2 + 45457^2 .

It is a cyclic number.

It is not a de Polignac number, because 12267338849 - 2⁴ = 12267338833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12267338849.

It is not an unprimeable number, because it can be changed into a prime (12267338869) 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, 47 + ... + 156635.

It is an arithmetic number, because the mean of its divisors is an integer number (3066893445).

Almost surely, 2^12267338849 is an apocalyptic number.

It is an amenable number.

12267338849 is a deficient number, since it is larger than the sum of its proper divisors (234931).

12267338849 is an equidigital number, since it uses as much as digits as its factorization.

12267338849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234930.

The product of its digits is 3483648, while the sum is 53.

The spelling of 12267338849 in words is "twelve billion, two hundred sixty-seven million, three hundred thirty-eight thousand, eight hundred forty-nine".