213202121223230 has 32 divisors (see below), whose sum is σ = 390818739391200. Its totient is φ = 83717165630592.

The previous prime is 213202121223209. The next prime is 213202121223239. The reversal of 213202121223230 is 32322121202312.

It is a self number, because there is not a number n which added to its sum of digits gives 213202121223230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213202121223239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254419157 + ... + 255255776.

It is an arithmetic number, because the mean of its divisors is an integer number (12213085605975).

Almost surely, 2^{213202121223230} is an apocalyptic number.

213202121223230 is a deficient number, since it is larger than the sum of its proper divisors (177616618167970).

213202121223230 is a wasteful number, since it uses less digits than its factorization.

213202121223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509675708.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 213202121223230 its reverse (32322121202312), we get a palindrome (245524242425542).

The spelling of 213202121223230 in words is "two hundred thirteen trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty-three thousand, two hundred thirty".