12019316109 has 8 divisors (see below), whose sum is σ = 16288472352. Its totient is φ = 7881518640.

The previous prime is 12019316107. The next prime is 12019316117. The reversal of 12019316109 is 90161391021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12019316109 - 2¹ = 12019316107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12019316109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12019316107) 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, 32839479 + ... + 32839844.

It is an arithmetic number, because the mean of its divisors is an integer number (2036059044).

Almost surely, 2^12019316109 is an apocalyptic number.

It is an amenable number.

12019316109 is a deficient number, since it is larger than the sum of its proper divisors (4269156243).

12019316109 is an equidigital number, since it uses as much as digits as its factorization.

12019316109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65679387.

The product of its (nonzero) digits is 2916, while the sum is 33.

The spelling of 12019316109 in words is "twelve billion, nineteen million, three hundred sixteen thousand, one hundred nine".