213442412 has 24 divisors (see below), whose sum is σ = 402207120. Its totient is φ = 98739200.

The previous prime is 213442399. The next prime is 213442417. The reversal of 213442412 is 214244312.

It is not an unprimeable number, because it can be changed into a prime (213442417) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22589 + ... + 30612.

It is an arithmetic number, because the mean of its divisors is an integer number (16758630).

Almost surely, 2^213442412 is an apocalyptic number.

It is an amenable number.

213442412 is a deficient number, since it is larger than the sum of its proper divisors (188764708).

213442412 is a wasteful number, since it uses less digits than its factorization.

213442412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53281 (or 53279 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 213442412 is about 14609.6684425075. The cubic root of 213442412 is about 597.6224542003.

Adding to 213442412 its reverse (214244312), we get a palindrome (427686724).

The spelling of 213442412 in words is "two hundred thirteen million, four hundred forty-two thousand, four hundred twelve".