12919248812 has 12 divisors (see below), whose sum is σ = 22617044016. Its totient is φ = 6457236240.

The previous prime is 12919248799. The next prime is 12919248827. The reversal of 12919248812 is 21884291921.

It is a super-2 number, since 2×12919248812² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584843 + ... + 606530.

It is an arithmetic number, because the mean of its divisors is an integer number (1884753668).

Almost surely, 2^12919248812 is an apocalyptic number.

It is an amenable number.

12919248812 is a deficient number, since it is larger than the sum of its proper divisors (9697795204).

12919248812 is a wasteful number, since it uses less digits than its factorization.

12919248812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194088 (or 1194086 counting only the distinct ones).

The product of its digits is 165888, while the sum is 47.

The spelling of 12919248812 in words is "twelve billion, nine hundred nineteen million, two hundred forty-eight thousand, eight hundred twelve".