12267216268 has 24 divisors (see below), whose sum is σ = 21705363792. Its totient is φ = 6065923584.

The previous prime is 12267216251. The next prime is 12267216271. The reversal of 12267216268 is 86261276221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176871 + ... + 236257.

It is an arithmetic number, because the mean of its divisors is an integer number (904390158).

Almost surely, 2^12267216268 is an apocalyptic number.

It is an amenable number.

12267216268 is a deficient number, since it is larger than the sum of its proper divisors (9438147524).

12267216268 is a wasteful number, since it uses less digits than its factorization.

12267216268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59961 (or 59959 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The spelling of 12267216268 in words is "twelve billion, two hundred sixty-seven million, two hundred sixteen thousand, two hundred sixty-eight".