12240403366 has 4 divisors (see below), whose sum is σ = 18360605052. Its totient is φ = 6120201682.

The previous prime is 12240403363. The next prime is 12240403369. The reversal of 12240403366 is 66330404221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12240403363) and next prime (12240403369).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240403363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060100840 + ... + 3060100843.

It is an arithmetic number, because the mean of its divisors is an integer number (4590151263).

Almost surely, 2^12240403366 is an apocalyptic number.

12240403366 is a deficient number, since it is larger than the sum of its proper divisors (6120201686).

12240403366 is an equidigital number, since it uses as much as digits as its factorization.

12240403366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120201685.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 12240403366 its reverse (66330404221), we get a palindrome (78570807587).

The spelling of 12240403366 in words is "twelve billion, two hundred forty million, four hundred three thousand, three hundred sixty-six".