12421214324201 has 4 divisors (see below), whose sum is σ = 12424657969152. Its totient is φ = 12417770679252.

The previous prime is 12421214324173. The next prime is 12421214324269. The reversal of 12421214324201 is 10242341212421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12421214324201 - 2²² = 12421210129897 is a prime.

It is a super-2 number, since 2×12421214324201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12421214354201) 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, 1721817065 + ... + 1721824278.

It is an arithmetic number, because the mean of its divisors is an integer number (3106164492288).

Almost surely, 2^{12421214324201} is an apocalyptic number.

It is an amenable number.

12421214324201 is a deficient number, since it is larger than the sum of its proper divisors (3443644951).

12421214324201 is an equidigital number, since it uses as much as digits as its factorization.

12421214324201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443644950.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 12421214324201 its reverse (10242341212421), we get a palindrome (22663555536622).

The spelling of 12421214324201 in words is "twelve trillion, four hundred twenty-one billion, two hundred fourteen million, three hundred twenty-four thousand, two hundred one".