12414240021 has 32 divisors (see below), whose sum is σ = 17909185536. Its totient is φ = 7620704000.

The previous prime is 12414240019. The next prime is 12414240043. The reversal of 12414240021 is 12004241421.

12414240021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12414240021 - 2¹ = 12414240019 is a prime.

It is a super-2 number, since 2×12414240021² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12414240021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12414240061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461266 + ... + 487436.

It is an arithmetic number, because the mean of its divisors is an integer number (559662048).

Almost surely, 2^12414240021 is an apocalyptic number.

It is an amenable number.

12414240021 is a deficient number, since it is larger than the sum of its proper divisors (5494945515).

12414240021 is a wasteful number, since it uses less digits than its factorization.

12414240021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26393.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12414240021 its reverse (12004241421), we get a palindrome (24418481442).

The spelling of 12414240021 in words is "twelve billion, four hundred fourteen million, two hundred forty thousand, twenty-one".