212301301312 has 28 divisors (see below), whose sum is σ = 435812481180. Its totient is φ = 102490282496.

The previous prime is 212301301309. The next prime is 212301301321. The reversal of 212301301312 is 213103103212.

It can be written as a sum of positive squares in 2 ways, for example, as 74909500416 + 137391800896 = 273696^2 + 370664^2 .

It is a super-2 number, since 2×212301301312² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212301301312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57191383 + ... + 57195094.

Almost surely, 2^212301301312 is an apocalyptic number.

It is an amenable number.

212301301312 is an abundant number, since it is smaller than the sum of its proper divisors (223511179868).

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

212301301312 is a wasteful number, since it uses less digits than its factorization.

212301301312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114386518 (or 114386508 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212301301312 its reverse (213103103212), we get a palindrome (425404404524).

The spelling of 212301301312 in words is "two hundred twelve billion, three hundred one million, three hundred one thousand, three hundred twelve".