12420243333113 has 24 divisors (see below), whose sum is σ = 15762294042624. Its totient is φ = 9677621772000.

The previous prime is 12420243333107. The next prime is 12420243333133. The reversal of 12420243333113 is 31133334202421.

It is not a de Polignac number, because 12420243333113 - 2⁴ = 12420243333097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12420243333113.

It is not an unprimeable number, because it can be changed into a prime (12420243333133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10261256 + ... + 11407622.

It is an arithmetic number, because the mean of its divisors is an integer number (656762251776).

Almost surely, 2^{12420243333113} is an apocalyptic number.

It is an amenable number.

12420243333113 is a deficient number, since it is larger than the sum of its proper divisors (3342050709511).

12420243333113 is a wasteful number, since it uses less digits than its factorization.

12420243333113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166493 (or 1166486 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 12420243333113 its reverse (31133334202421), we get a palindrome (43553577535534).

The spelling of 12420243333113 in words is "twelve trillion, four hundred twenty billion, two hundred forty-three million, three hundred thirty-three thousand, one hundred thirteen".