12190519447 has 8 divisors (see below), whose sum is σ = 12383984160. Its totient is φ = 11997659520.

The previous prime is 12190519433. The next prime is 12190519457. The reversal of 12190519447 is 74491509121.

12190519447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12190519447 - 2¹⁹ = 12189995159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12190519457) by changing a digit.

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, 110478 + ... + 191275.

It is an arithmetic number, because the mean of its divisors is an integer number (1547998020).

Almost surely, 2^12190519447 is an apocalyptic number.

12190519447 is a deficient number, since it is larger than the sum of its proper divisors (193464713).

12190519447 is an equidigital number, since it uses as much as digits as its factorization.

12190519447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302393.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 12190519447 in words is "twelve billion, one hundred ninety million, five hundred nineteen thousand, four hundred forty-seven".