213233210212 has 48 divisors (see below), whose sum is σ = 420668075520. Its totient is φ = 93696076800.

The previous prime is 213233210191. The next prime is 213233210227. The reversal of 213233210212 is 212012332312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1183018 + ... + 1351294.

It is an arithmetic number, because the mean of its divisors is an integer number (8763918240).

Almost surely, 2^213233210212 is an apocalyptic number.

213233210212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213233210212 is a deficient number, since it is larger than the sum of its proper divisors (207434865308).

213233210212 is a wasteful number, since it uses less digits than its factorization.

213233210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169252 (or 169250 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 213233210212 its reverse (212012332312), we get a palindrome (425245542524).

The spelling of 213233210212 in words is "two hundred thirteen billion, two hundred thirty-three million, two hundred ten thousand, two hundred twelve".