12221113413124 has 48 divisors (see below), whose sum is σ = 26664578390016. Its totient is φ = 4761413661600.

The previous prime is 12221113413121. The next prime is 12221113413133. The reversal of 12221113413124 is 42131431112221.

It is a super-2 number, since 2×12221113413124² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 12221113413092 and 12221113413101.

It is not an unprimeable number, because it can be changed into a prime (12221113413121) 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, 31061269 + ... + 31452259.

It is an arithmetic number, because the mean of its divisors is an integer number (555512049792).

Almost surely, 2^{12221113413124} is an apocalyptic number.

12221113413124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12221113413124 is an abundant number, since it is smaller than the sum of its proper divisors (14443464976892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12221113413124 is a wasteful number, since it uses less digits than its factorization.

12221113413124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492496 (or 492494 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

Adding to 12221113413124 its reverse (42131431112221), we get a palindrome (54352544525345).

The spelling of 12221113413124 in words is "twelve trillion, two hundred twenty-one billion, one hundred thirteen million, four hundred thirteen thousand, one hundred twenty-four".