211404020312 has 48 divisors (see below), whose sum is σ = 418469345280. Its totient is φ = 100105016000.

The previous prime is 211404020309. The next prime is 211404020363. The reversal of 211404020312 is 213020404112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180137 + ... + 674727.

It is an arithmetic number, because the mean of its divisors is an integer number (8718111360).

Almost surely, 2^211404020312 is an apocalyptic number.

It is an amenable number.

211404020312 is a deficient number, since it is larger than the sum of its proper divisors (207065324968).

211404020312 is a wasteful number, since it uses less digits than its factorization.

211404020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494744 (or 494717 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211404020312 its reverse (213020404112), we get a palindrome (424424424424).

The spelling of 211404020312 in words is "two hundred eleven billion, four hundred four million, twenty thousand, three hundred twelve".