12235036318 has 4 divisors (see below), whose sum is σ = 18352554480. Its totient is φ = 6117518158.

The previous prime is 12235036291. The next prime is 12235036337. The reversal of 12235036318 is 81363053221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81363053221 = 19 ⋅4282265959.

It is a super-2 number, since 2×12235036318² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3058759078 + ... + 3058759081.

It is an arithmetic number, because the mean of its divisors is an integer number (4588138620).

Almost surely, 2^12235036318 is an apocalyptic number.

12235036318 is a deficient number, since it is larger than the sum of its proper divisors (6117518162).

12235036318 is an equidigital number, since it uses as much as digits as its factorization.

12235036318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117518161.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 12235036318 its reverse (81363053221), we get a palindrome (93598089539).

The spelling of 12235036318 in words is "twelve billion, two hundred thirty-five million, thirty-six thousand, three hundred eighteen".