12342110412421 has 4 divisors (see below), whose sum is σ = 12344275320844. Its totient is φ = 12339945504000.

The previous prime is 12342110412383. The next prime is 12342110412449. The reversal of 12342110412421 is 12421401124321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9478701562500 + 2863408849921 = 3078750^2 + 1692161^2 .

It is a cyclic number.

It is not a de Polignac number, because 12342110412421 - 2⁹ = 12342110411909 is a prime.

It is a super-2 number, since 2×12342110412421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12342110412421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342110419421) 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, 1082445660 + ... + 1082457061.

It is an arithmetic number, because the mean of its divisors is an integer number (3086068830211).

Almost surely, 2^{12342110412421} is an apocalyptic number.

It is an amenable number.

12342110412421 is a deficient number, since it is larger than the sum of its proper divisors (2164908423).

12342110412421 is an equidigital number, since it uses as much as digits as its factorization.

12342110412421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164908422.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 12342110412421 its reverse (12421401124321), we get a palindrome (24763511536742).

The spelling of 12342110412421 in words is "twelve trillion, three hundred forty-two billion, one hundred ten million, four hundred twelve thousand, four hundred twenty-one".