213303412 has 24 divisors (see below), whose sum is σ = 427222656. Its totient is φ = 91283808.

The previous prime is 213303401. The next prime is 213303451. The reversal of 213303412 is 214303312.

It is a self number, because there is not a number n which added to its sum of digits gives 213303412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15678 + ... + 25930.

It is an arithmetic number, because the mean of its divisors is an integer number (17800944).

Almost surely, 2^213303412 is an apocalyptic number.

It is an amenable number.

213303412 is an abundant number, since it is smaller than the sum of its proper divisors (213919244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213303412 is a wasteful number, since it uses less digits than its factorization.

213303412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11007 (or 11005 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 213303412 is about 14604.9105440602. The cubic root of 213303412 is about 597.4926962337.

Adding to 213303412 its reverse (214303312), we get a palindrome (427606724).

It can be divided in two parts, 21330 and 3412, that added together give a palindrome (24742).

The spelling of 213303412 in words is "two hundred thirteen million, three hundred three thousand, four hundred twelve".