12276311928 has 16 divisors (see below), whose sum is σ = 30690779880. Its totient is φ = 4092103968.

The previous prime is 12276311923. The next prime is 12276311941. The reversal of 12276311928 is 82911367221.

It is a self number, because there is not a number n which added to its sum of digits gives 12276311928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12276311923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255756475 + ... + 255756522.

Almost surely, 2^12276311928 is an apocalyptic number.

It is an amenable number.

12276311928 is an abundant number, since it is smaller than the sum of its proper divisors (18414467952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12276311928 is a wasteful number, since it uses less digits than its factorization.

12276311928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511513006 (or 511513002 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The spelling of 12276311928 in words is "twelve billion, two hundred seventy-six million, three hundred eleven thousand, nine hundred twenty-eight".