12467777912 has 8 divisors (see below), whose sum is σ = 23377083600. Its totient is φ = 6233888952.

The previous prime is 12467777911. The next prime is 12467777939. The reversal of 12467777912 is 21977776421.

12467777912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12467777911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 779236112 + ... + 779236127.

It is an arithmetic number, because the mean of its divisors is an integer number (2922135450).

Almost surely, 2^12467777912 is an apocalyptic number.

It is an amenable number.

12467777912 is a deficient number, since it is larger than the sum of its proper divisors (10909305688).

12467777912 is a wasteful number, since it uses less digits than its factorization.

12467777912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558472245 (or 1558472241 counting only the distinct ones).

The product of its digits is 2074464, while the sum is 53.

The spelling of 12467777912 in words is "twelve billion, four hundred sixty-seven million, seven hundred seventy-seven thousand, nine hundred twelve".