12319055181 has 20 divisors (see below), whose sum is σ = 18414255772. Its totient is φ = 8207474688.

The previous prime is 12319055167. The next prime is 12319055183. The reversal of 12319055181 is 18155091321.

12319055181 is a `hidden beast` number, since 1 + 23 + 1 + 9 + 0 + 551 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2818654281 + 9500400900 = 53091^2 + 97470^2 .

It is not a de Polignac number, because 12319055181 - 2¹⁵ = 12319022413 is a prime.

It is a super-2 number, since 2×12319055181² (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 (12319055183) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 81741 + ... + 176973.

Almost surely, 2^12319055181 is an apocalyptic number.

It is an amenable number.

12319055181 is a deficient number, since it is larger than the sum of its proper divisors (6095200591).

12319055181 is an equidigital number, since it uses as much as digits as its factorization.

12319055181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96842 (or 96833 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The spelling of 12319055181 in words is "twelve billion, three hundred nineteen million, fifty-five thousand, one hundred eighty-one".