12363136181 has 4 divisors (see below), whose sum is σ = 13487057664. Its totient is φ = 11239214700.

The previous prime is 12363136171. The next prime is 12363136193. The reversal of 12363136181 is 18163136321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12363136181 - 2¹⁸ = 12362874037 is a prime.

It is a super-2 number, since 2×12363136181² (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 (12363136171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561960725 + ... + 561960746.

It is an arithmetic number, because the mean of its divisors is an integer number (3371764416).

Almost surely, 2^12363136181 is an apocalyptic number.

12363136181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12363136181 is a deficient number, since it is larger than the sum of its proper divisors (1123921483).

12363136181 is a wasteful number, since it uses less digits than its factorization.

12363136181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123921482.

The product of its digits is 15552, while the sum is 35.

The spelling of 12363136181 in words is "twelve billion, three hundred sixty-three million, one hundred thirty-six thousand, one hundred eighty-one".