213322333212 has 54 divisors (see below), whose sum is σ = 559942744088. Its totient is φ = 71107435656.

The previous prime is 213322333183. The next prime is 213322333271. The reversal of 213322333212 is 212333223312.

213322333212 is a `hidden beast` number, since 2 + 1 + 3 + 322 + 3 + 332 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (54).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4037968 + ... + 4090455.

Almost surely, 2^213322333212 is an apocalyptic number.

It is an amenable number.

213322333212 is an abundant number, since it is smaller than the sum of its proper divisors (346620410876).

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

213322333212 is an frugal number, since it uses more digits than its factorization.

213322333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8128451 (or 8128428 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 213322333212 its reverse (212333223312), we get a palindrome (425655556524).

The spelling of 213322333212 in words is "two hundred thirteen billion, three hundred twenty-two million, three hundred thirty-three thousand, two hundred twelve".