12119184787 has 2 divisors, whose sum is σ = 12119184788. Its totient is φ = 12119184786.

The previous prime is 12119184773. The next prime is 12119184841. The reversal of 12119184787 is 78748191121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12119184787 - 2³¹ = 9971701139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12119184787.

It is not a weakly prime, because it can be changed into another prime (12119164787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059592393 + 6059592394.

It is an arithmetic number, because the mean of its divisors is an integer number (6059592394).

Almost surely, 2^12119184787 is an apocalyptic number.

12119184787 is a deficient number, since it is larger than the sum of its proper divisors (1).

12119184787 is an equidigital number, since it uses as much as digits as its factorization.

12119184787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 49.

The spelling of 12119184787 in words is "twelve billion, one hundred nineteen million, one hundred eighty-four thousand, seven hundred eighty-seven".