213202320312 has 32 divisors (see below), whose sum is σ = 533141078400. Its totient is φ = 71049403104.

The previous prime is 213202320311. The next prime is 213202320319. The reversal of 213202320312 is 213023202312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213202320311) 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, 1030612 + ... + 1220067.

It is an arithmetic number, because the mean of its divisors is an integer number (16660658700).

Almost surely, 2^213202320312 is an apocalyptic number.

It is an amenable number.

213202320312 is an abundant number, since it is smaller than the sum of its proper divisors (319938758088).

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

213202320312 is a wasteful number, since it uses less digits than its factorization.

213202320312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254635 (or 2254631 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213202320312 its reverse (213023202312), we get a palindrome (426225522624).

The spelling of 213202320312 in words is "two hundred thirteen billion, two hundred two million, three hundred twenty thousand, three hundred twelve".