12267262928 has 10 divisors (see below), whose sum is σ = 23767821954. Its totient is φ = 6133631456.

The previous prime is 12267262913. The next prime is 12267262993. The reversal of 12267262928 is 82926276221.

It can be written as a sum of positive squares in only one way, i.e., 8532586384 + 3734676544 = 92372^2 + 61112^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 383351951 + ... + 383351982.

Almost surely, 2^12267262928 is an apocalyptic number.

It is an amenable number.

12267262928 is a deficient number, since it is larger than the sum of its proper divisors (11500559026).

12267262928 is an equidigital number, since it uses as much as digits as its factorization.

12267262928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766703941 (or 766703935 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The spelling of 12267262928 in words is "twelve billion, two hundred sixty-seven million, two hundred sixty-two thousand, nine hundred twenty-eight".