230212021213 has 4 divisors (see below), whose sum is σ = 230327302140. Its totient is φ = 230096740288.

The previous prime is 230212021187. The next prime is 230212021231. The reversal of 230212021213 is 312120212032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11003590404 + 219208430809 = 104898^2 + 468197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230212021213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230212021283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57637468 + ... + 57641461.

It is an arithmetic number, because the mean of its divisors is an integer number (57581825535).

Almost surely, 2^230212021213 is an apocalyptic number.

It is an amenable number.

230212021213 is a deficient number, since it is larger than the sum of its proper divisors (115280927).

230212021213 is a wasteful number, since it uses less digits than its factorization.

230212021213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115280926.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 230212021213 its reverse (312120212032), we get a palindrome (542332233245).

The spelling of 230212021213 in words is "two hundred thirty billion, two hundred twelve million, twenty-one thousand, two hundred thirteen".