12019494412 has 24 divisors (see below), whose sum is σ = 21447814752. Its totient is φ = 5892182400.

The previous prime is 12019494401. The next prime is 12019494433. The reversal of 12019494412 is 21449491021.

12019494412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3313 + ... + 155080.

It is an arithmetic number, because the mean of its divisors is an integer number (893658948).

Almost surely, 2^12019494412 is an apocalyptic number.

It is an amenable number.

12019494412 is a deficient number, since it is larger than the sum of its proper divisors (9428320340).

12019494412 is a wasteful number, since it uses less digits than its factorization.

12019494412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158769 (or 158767 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 12019494412 in words is "twelve billion, nineteen million, four hundred ninety-four thousand, four hundred twelve".