12268666949 has 64 divisors (see below), whose sum is σ = 16295731200. Its totient is φ = 8968962240.

The previous prime is 12268666931. The next prime is 12268666967. The reversal of 12268666949 is 94966686221.

It is an interprime number because it is at equal distance from previous prime (12268666931) and next prime (12268666967).

It is not a de Polignac number, because 12268666949 - 2²⁴ = 12251889733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12268666549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88263722 + ... + 88263860.

It is an arithmetic number, because the mean of its divisors is an integer number (254620800).

Almost surely, 2^12268666949 is an apocalyptic number.

It is an amenable number.

12268666949 is a deficient number, since it is larger than the sum of its proper divisors (4027064251).

12268666949 is an equidigital number, since it uses as much as digits as its factorization.

12268666949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 233 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 59.

The spelling of 12268666949 in words is "twelve billion, two hundred sixty-eight million, six hundred sixty-six thousand, nine hundred forty-nine".