12819278742 has 16 divisors (see below), whose sum is σ = 25647944112. Its totient is φ = 4271528480.

The previous prime is 12819278737. The next prime is 12819278779. The reversal of 12819278742 is 24787291821.

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 in 7 ways as a sum of consecutive naturals, for example, 373293 + ... + 406184.

It is an arithmetic number, because the mean of its divisors is an integer number (1602996507).

Almost surely, 2^12819278742 is an apocalyptic number.

12819278742 is an abundant number, since it is smaller than the sum of its proper divisors (12828665370).

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

12819278742 is a wasteful number, since it uses less digits than its factorization.

12819278742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782223.

The product of its digits is 903168, while the sum is 51.

The spelling of 12819278742 in words is "twelve billion, eight hundred nineteen million, two hundred seventy-eight thousand, seven hundred forty-two".