212023313312 has 12 divisors (see below), whose sum is σ = 417420898146. Its totient is φ = 106011656640.

The previous prime is 212023313233. The next prime is 212023313339. The reversal of 212023313312 is 213313320212.

It can be written as a sum of positive squares in only one way, i.e., 131278680976 + 80744632336 = 362324^2 + 284156^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312864239 + ... + 3312864302.

Almost surely, 2^212023313312 is an apocalyptic number.

It is an amenable number.

212023313312 is a deficient number, since it is larger than the sum of its proper divisors (205397584834).

212023313312 is an equidigital number, since it uses as much as digits as its factorization.

212023313312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625728551 (or 6625728543 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212023313312 its reverse (213313320212), we get a palindrome (425336633524).

The spelling of 212023313312 in words is "two hundred twelve billion, twenty-three million, three hundred thirteen thousand, three hundred twelve".