212120300313 has 32 divisors (see below), whose sum is σ = 322860625920. Its totient is φ = 137575826640.

The previous prime is 212120300311. The next prime is 212120300317. The reversal of 212120300313 is 313003021212.

212120300313 is a `hidden beast` number, since 212 + 120 + 300 + 31 + 3 = 666.

It is not a de Polignac number, because 212120300313 - 2¹ = 212120300311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212120300311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288543 + ... + 712388.

It is an arithmetic number, because the mean of its divisors is an integer number (10089394560).

Almost surely, 2^212120300313 is an apocalyptic number.

It is an amenable number.

212120300313 is a deficient number, since it is larger than the sum of its proper divisors (110740325607).

212120300313 is a wasteful number, since it uses less digits than its factorization.

212120300313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001154 (or 1001148 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212120300313 its reverse (313003021212), we get a palindrome (525123321525).

The spelling of 212120300313 in words is "two hundred twelve billion, one hundred twenty million, three hundred thousand, three hundred thirteen".