12421424261416 has 16 divisors (see below), whose sum is σ = 23290247390400. Its totient is φ = 6210691623984.

The previous prime is 12421424261413. The next prime is 12421424261461. The reversal of 12421424261416 is 61416242412421.

It is a super-2 number, since 2×12421424261416² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12421424261413) 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, 184225 + ... + 4987663.

It is an arithmetic number, because the mean of its divisors is an integer number (1455640461900).

Almost surely, 2^{12421424261416} is an apocalyptic number.

It is an amenable number.

12421424261416 is a deficient number, since it is larger than the sum of its proper divisors (10868823128984).

12421424261416 is a wasteful number, since it uses less digits than its factorization.

12421424261416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126688 (or 5126684 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

Adding to 12421424261416 its reverse (61416242412421), we get a palindrome (73837666673837).

The spelling of 12421424261416 in words is "twelve trillion, four hundred twenty-one billion, four hundred twenty-four million, two hundred sixty-one thousand, four hundred sixteen".