212023322312 has 32 divisors (see below), whose sum is σ = 421436633400. Its totient is φ = 99655271424.

The previous prime is 212023322311. The next prime is 212023322321. The reversal of 212023322312 is 213223320212.

It can be written as a sum of positive squares in 4 ways, for example, as 211465701316 + 557620996 = 459854^2 + 23614^2 .

It is not an unprimeable number, because it can be changed into a prime (212023322311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827543 + ... + 1053030.

Almost surely, 2^212023322312 is an apocalyptic number.

It is an amenable number.

212023322312 is a deficient number, since it is larger than the sum of its proper divisors (209413311088).

212023322312 is a wasteful number, since it uses less digits than its factorization.

212023322312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881425 (or 1881421 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212023322312 its reverse (213223320212), we get a palindrome (425246642524).

The spelling of 212023322312 in words is "two hundred twelve billion, twenty-three million, three hundred twenty-two thousand, three hundred twelve".