213212233033212 has 96 divisors (see below), whose sum is σ = 569546374566400. Its totient is φ = 60812815295232.

The previous prime is 213212233033199. The next prime is 213212233033213. The reversal of 213212233033212 is 212330332212312.

It is a self number, because there is not a number n which added to its sum of digits gives 213212233033212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213212233033213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128261238 + ... + 129912930.

Almost surely, 2^{213212233033212} is an apocalyptic number.

It is an amenable number.

213212233033212 is an abundant number, since it is smaller than the sum of its proper divisors (356334141533188).

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

213212233033212 is a wasteful number, since it uses less digits than its factorization.

213212233033212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654355 (or 1654353 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 213212233033212 its reverse (212330332212312), we get a palindrome (425542565245524).

The spelling of 213212233033212 in words is "two hundred thirteen trillion, two hundred twelve billion, two hundred thirty-three million, thirty-three thousand, two hundred twelve".