12421230504106 has 8 divisors (see below), whose sum is σ = 18887076520164. Its totient is φ = 6125538330720.

The previous prime is 12421230504097. The next prime is 12421230504107. The reversal of 12421230504106 is 60140503212421.

It can be written as a sum of positive squares in 2 ways, for example, as 12392927488881 + 28303015225 = 3520359^2 + 168235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12421230504106² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12421230504107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42538460485 + ... + 42538460776.

Almost surely, 2^{12421230504106} is an apocalyptic number.

12421230504106 is a deficient number, since it is larger than the sum of its proper divisors (6465846016058).

12421230504106 is an equidigital number, since it uses as much as digits as its factorization.

12421230504106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85076921336.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 12421230504106 its reverse (60140503212421), we get a palindrome (72561733716527).

The spelling of 12421230504106 in words is "twelve trillion, four hundred twenty-one billion, two hundred thirty million, five hundred four thousand, one hundred six".