12174019381 has 2 divisors, whose sum is σ = 12174019382. Its totient is φ = 12174019380.

The previous prime is 12174019357. The next prime is 12174019409. The reversal of 12174019381 is 18391047121.

12174019381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8613510481 + 3560508900 = 92809^2 + 59670^2 .

It is a cyclic number.

It is not a de Polignac number, because 12174019381 - 2¹¹ = 12174017333 is a prime.

It is a super-2 number, since 2×12174019381² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12174019381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12174013381) 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 as a sum of consecutive naturals, namely, 6087009690 + 6087009691.

It is an arithmetic number, because the mean of its divisors is an integer number (6087009691).

Almost surely, 2^12174019381 is an apocalyptic number.

It is an amenable number.

12174019381 is a deficient number, since it is larger than the sum of its proper divisors (1).

12174019381 is an equidigital number, since it uses as much as digits as its factorization.

12174019381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 12174019381 in words is "twelve billion, one hundred seventy-four million, nineteen thousand, three hundred eighty-one".