12104189919 has 12 divisors (see below), whose sum is σ = 17566694392. Its totient is φ = 8031214800.

The previous prime is 12104189891. The next prime is 12104189983. The reversal of 12104189919 is 91998140121.

It is a happy number.

12104189919 is a `hidden beast` number, since 1 + 210 + 418 + 9 + 9 + 19 = 666.

It is not a de Polignac number, because 12104189919 - 2⁹ = 12104189407 is a prime.

It is a super-2 number, since 2×12104189919² (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 (12104189219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3185092 + ... + 3188889.

Almost surely, 2^12104189919 is an apocalyptic number.

12104189919 is a deficient number, since it is larger than the sum of its proper divisors (5462504473).

12104189919 is a wasteful number, since it uses less digits than its factorization.

12104189919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374198 (or 6374195 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 45.

The spelling of 12104189919 in words is "twelve billion, one hundred four million, one hundred eighty-nine thousand, nine hundred nineteen".