12421031011113 has 16 divisors (see below), whose sum is σ = 16775241236480. Its totient is φ = 8173806924816.

The previous prime is 12421031011049. The next prime is 12421031011141. The reversal of 12421031011113 is 31111013012421.

It is a happy number.

It is not a de Polignac number, because 12421031011113 - 2⁶ = 12421031011049 is a prime.

It is a super-2 number, since 2×12421031011113² (a number of 27 digits) contains 22 as substring.

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 12421031011113.

It is not an unprimeable number, because it can be changed into a prime (12421031081113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5665495 + ... + 7545852.

It is an arithmetic number, because the mean of its divisors is an integer number (1048452577280).

Almost surely, 2^{12421031011113} is an apocalyptic number.

It is an amenable number.

12421031011113 is a deficient number, since it is larger than the sum of its proper divisors (4354210225367).

12421031011113 is a wasteful number, since it uses less digits than its factorization.

12421031011113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13215396.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12421031011113 its reverse (31111013012421), we get a palindrome (43532044023534).

The spelling of 12421031011113 in words is "twelve trillion, four hundred twenty-one billion, thirty-one million, eleven thousand, one hundred thirteen".