12000000019 has 8 divisors (see below), whose sum is σ = 13719932768. Its totient is φ = 10281479040.

The previous prime is 11999999983. The next prime is 12000000073. The reversal of 12000000019 is 91000000021.

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

It is not a de Polignac number, because 12000000019 - 2¹³ = 11999991827 is a prime.

It is a super-2 number, since 2×12000000019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11999999945 and 12000000008.

It is not an unprimeable number, because it can be changed into a prime (12000900019) 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, 334662 + ... + 368779.

It is an arithmetic number, because the mean of its divisors is an integer number (1714991596).

Almost surely, 2^12000000019 is an apocalyptic number.

12000000019 is a deficient number, since it is larger than the sum of its proper divisors (1719932749).

12000000019 is an equidigital number, since it uses as much as digits as its factorization.

12000000019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705885.

The product of its (nonzero) digits is 18, while the sum is 13.

The spelling of 12000000019 in words is "twelve billion, nineteen", and thus it is an aban number and an uban number.