213012302 has 16 divisors (see below), whose sum is σ = 332866800. Its totient is φ = 102144960.

The previous prime is 213012301. The next prime is 213012311. The reversal of 213012302 is 203210312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213012301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17177 + ... + 26852.

It is an arithmetic number, because the mean of its divisors is an integer number (20804175).

Almost surely, 2^213012302 is an apocalyptic number.

213012302 is a deficient number, since it is larger than the sum of its proper divisors (119854498).

213012302 is a wasteful number, since it uses less digits than its factorization.

213012302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44131.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 213012302 is about 14594.9409728166. The cubic root of 213012302 is about 597.2207592078.

Adding to 213012302 its reverse (203210312), we get a palindrome (416222614).

The spelling of 213012302 in words is "two hundred thirteen million, twelve thousand, three hundred two".