12784510312 has 16 divisors (see below), whose sum is σ = 27395379360. Its totient is φ = 5479075824.

The previous prime is 12784510309. The next prime is 12784510339. The reversal of 12784510312 is 21301548721.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114147358 + ... + 114147469.

It is an arithmetic number, because the mean of its divisors is an integer number (1712211210).

Almost surely, 2^12784510312 is an apocalyptic number.

It is an amenable number.

12784510312 is an abundant number, since it is smaller than the sum of its proper divisors (14610869048).

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

12784510312 is a wasteful number, since it uses less digits than its factorization.

12784510312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228294840 (or 228294836 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 12784510312 in words is "twelve billion, seven hundred eighty-four million, five hundred ten thousand, three hundred twelve".