401023320212 has 12 divisors (see below), whose sum is σ = 704882401440. Its totient is φ = 199628348376.

The previous prime is 401023320199. The next prime is 401023320227. The reversal of 401023320212 is 212023320104.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 220826912 + ... + 220828727.

It is an arithmetic number, because the mean of its divisors is an integer number (58740200120).

Almost surely, 2^401023320212 is an apocalyptic number.

It is an amenable number.

401023320212 is a deficient number, since it is larger than the sum of its proper divisors (303859081228).

401023320212 is a wasteful number, since it uses less digits than its factorization.

401023320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441655870 (or 441655868 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 401023320212 its reverse (212023320104), we get a palindrome (613046640316).

The spelling of 401023320212 in words is "four hundred one billion, twenty-three million, three hundred twenty thousand, two hundred twelve".