401223201201 has 16 divisors (see below), whose sum is σ = 596871161920. Its totient is φ = 266372245440.

The previous prime is 401223201173. The next prime is 401223201227. The reversal of 401223201201 is 102102322104.

It is a happy number.

401223201201 is a `hidden beast` number, since 40 + 1 + 223 + 201 + 201 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-401223201201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401223201271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30823615 + ... + 30836628.

It is an arithmetic number, because the mean of its divisors is an integer number (37304447620).

Almost surely, 2^401223201201 is an apocalyptic number.

It is an amenable number.

401223201201 is a deficient number, since it is larger than the sum of its proper divisors (195647960719).

401223201201 is a wasteful number, since it uses less digits than its factorization.

401223201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61660493 (or 61660487 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 401223201201 its reverse (102102322104), we get a palindrome (503325523305).

The spelling of 401223201201 in words is "four hundred one billion, two hundred twenty-three million, two hundred one thousand, two hundred one".