12232341218 has 4 divisors (see below), whose sum is σ = 18348511830. Its totient is φ = 6116170608.

The previous prime is 12232341167. The next prime is 12232341239. The reversal of 12232341218 is 81214323221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81214323221 = 144773 ⋅560977.

It can be written as a sum of positive squares in only one way, i.e., 12231696409 + 644809 = 110597^2 + 803^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058085303 + ... + 3058085306.

Almost surely, 2^12232341218 is an apocalyptic number.

12232341218 is a deficient number, since it is larger than the sum of its proper divisors (6116170612).

12232341218 is an equidigital number, since it uses as much as digits as its factorization.

12232341218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116170611.

The product of its digits is 4608, while the sum is 29.

Adding to 12232341218 its reverse (81214323221), we get a palindrome (93446664439).

The spelling of 12232341218 in words is "twelve billion, two hundred thirty-two million, three hundred forty-one thousand, two hundred eighteen".