12240214423 has 4 divisors (see below), whose sum is σ = 12266998720. Its totient is φ = 12213430128.

The previous prime is 12240214391. The next prime is 12240214463. The reversal of 12240214423 is 32441204221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32441204221 = 59 ⋅549850919.

It is a cyclic number.

It is not a de Polignac number, because 12240214423 - 2⁵ = 12240214391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240214463) 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, 13391463 + ... + 13392376.

It is an arithmetic number, because the mean of its divisors is an integer number (3066749680).

Almost surely, 2^12240214423 is an apocalyptic number.

12240214423 is a deficient number, since it is larger than the sum of its proper divisors (26784297).

12240214423 is an equidigital number, since it uses as much as digits as its factorization.

12240214423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26784296.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12240214423 its reverse (32441204221), we get a palindrome (44681418644).

The spelling of 12240214423 in words is "twelve billion, two hundred forty million, two hundred fourteen thousand, four hundred twenty-three".