12779010192 has 40 divisors (see below), whose sum is σ = 35551863424. Its totient is φ = 3932002944.

The previous prime is 12779010191. The next prime is 12779010199. The reversal of 12779010192 is 29101097721.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 12779010192.

It is not an unprimeable number, because it can be changed into a prime (12779010191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10238968 + ... + 10240215.

Almost surely, 2^12779010192 is an apocalyptic number.

12779010192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12779010192 is an abundant number, since it is smaller than the sum of its proper divisors (22772853232).

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

12779010192 is a wasteful number, since it uses less digits than its factorization.

12779010192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20479207 (or 20479201 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 39.

The spelling of 12779010192 in words is "twelve billion, seven hundred seventy-nine million, ten thousand, one hundred ninety-two".