421213013122001 has 8 divisors (see below), whose sum is σ = 421368606489600. Its totient is φ = 421057429001440.

The previous prime is 421213013121961. The next prime is 421213013122063. The reversal of 421213013122001 is 100221310312124.

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

It is a cyclic number.

It is not a de Polignac number, because 421213013122001 - 2¹⁸ = 421213012859857 is a prime.

It is a super-2 number, since 2×421213013122001² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421213013122501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89479940 + ... + 94069578.

It is an arithmetic number, because the mean of its divisors is an integer number (52671075811200).

Almost surely, 2^{421213013122001} is an apocalyptic number.

It is an amenable number.

421213013122001 is a deficient number, since it is larger than the sum of its proper divisors (155593367599).

421213013122001 is a wasteful number, since it uses less digits than its factorization.

421213013122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623519.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 421213013122001 its reverse (100221310312124), we get a palindrome (521434323434125).

The spelling of 421213013122001 in words is "four hundred twenty-one trillion, two hundred thirteen billion, thirteen million, one hundred twenty-two thousand, one".