12267727672 has 32 divisors (see below), whose sum is σ = 24330898080. Its totient is φ = 5786795520.

The previous prime is 12267727597. The next prime is 12267727673. The reversal of 12267727672 is 27672776221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12267727673) 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 7 ways as a sum of consecutive naturals, for example, 443229 + ... + 470092.

It is an arithmetic number, because the mean of its divisors is an integer number (760340565).

Almost surely, 2^12267727672 is an apocalyptic number.

It is an amenable number.

12267727672 is a deficient number, since it is larger than the sum of its proper divisors (12063170408).

12267727672 is a wasteful number, since it uses less digits than its factorization.

12267727672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913423 (or 913419 counting only the distinct ones).

The product of its digits is 1382976, while the sum is 49.

The spelling of 12267727672 in words is "twelve billion, two hundred sixty-seven million, seven hundred twenty-seven thousand, six hundred seventy-two".