12019208119 has 4 divisors (see below), whose sum is σ = 12651798040. Its totient is φ = 11386618200.

The previous prime is 12019208107. The next prime is 12019208143. The reversal of 12019208119 is 91180291021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12019208119 is a prime.

It is a super-2 number, since 2×12019208119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12019208419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316294932 + ... + 316294969.

It is an arithmetic number, because the mean of its divisors is an integer number (3162949510).

Almost surely, 2^12019208119 is an apocalyptic number.

12019208119 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12019208119 is a deficient number, since it is larger than the sum of its proper divisors (632589921).

12019208119 is an equidigital number, since it uses as much as digits as its factorization.

12019208119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632589920.

The product of its (nonzero) digits is 2592, while the sum is 34.

The spelling of 12019208119 in words is "twelve billion, nineteen million, two hundred eight thousand, one hundred nineteen".