212133322312 has 64 divisors (see below), whose sum is σ = 409406400000. Its totient is φ = 103009320960.

The previous prime is 212133322253. The next prime is 212133322337. The reversal of 212133322312 is 213223331212.

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, 20142264 + ... + 20152792.

It is an arithmetic number, because the mean of its divisors is an integer number (6396975000).

Almost surely, 2^212133322312 is an apocalyptic number.

It is an amenable number.

212133322312 is a deficient number, since it is larger than the sum of its proper divisors (197273077688).

212133322312 is a wasteful number, since it uses less digits than its factorization.

212133322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11134 (or 11130 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 212133322312 its reverse (213223331212), we get a palindrome (425356653524).

The spelling of 212133322312 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred twenty-two thousand, three hundred twelve".