213110213212 has 48 divisors (see below), whose sum is σ = 419860449792. Its totient is φ = 93909816000.

The previous prime is 213110213191. The next prime is 213110213221. The reversal of 213110213212 is 212312011312.

It is a self number, because there is not a number n which added to its sum of digits gives 213110213212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491337 + ... + 817087.

It is an arithmetic number, because the mean of its divisors is an integer number (8747092704).

Almost surely, 2^213110213212 is an apocalyptic number.

It is an amenable number.

213110213212 is a deficient number, since it is larger than the sum of its proper divisors (206750236580).

213110213212 is a wasteful number, since it uses less digits than its factorization.

213110213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326338 (or 326336 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 213110213212 its reverse (212312011312), we get a palindrome (425422224524).

The spelling of 213110213212 in words is "two hundred thirteen billion, one hundred ten million, two hundred thirteen thousand, two hundred twelve".