12013243466 has 24 divisors (see below), whose sum is σ = 21043491876. Its totient is φ = 5128488960.

The previous prime is 12013243399. The next prime is 12013243469. The reversal of 12013243466 is 66434231021.

It can be written as a sum of positive squares in 2 ways, for example, as 11643489025 + 369754441 = 107905^2 + 19229^2 .

It is not an unprimeable number, because it can be changed into a prime (12013243469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213305 + ... + 263676.

Almost surely, 2^12013243466 is an apocalyptic number.

12013243466 is a deficient number, since it is larger than the sum of its proper divisors (9030248410).

12013243466 is a wasteful number, since it uses less digits than its factorization.

12013243466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477254 (or 477247 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 12013243466 its reverse (66434231021), we get a palindrome (78447474487).

The spelling of 12013243466 in words is "twelve billion, thirteen million, two hundred forty-three thousand, four hundred sixty-six".