212120110313 has 8 divisors (see below), whose sum is σ = 216810380160. Its totient is φ = 207466341040.

The previous prime is 212120110309. The next prime is 212120110331. The reversal of 212120110313 is 313011021212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212120110313 - 2² = 212120110309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212120110291 and 212120110300.

It is not an unprimeable number, because it can be changed into a prime (212120110343) 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, 9113393 + ... + 9136638.

It is an arithmetic number, because the mean of its divisors is an integer number (27101297520).

Almost surely, 2^212120110313 is an apocalyptic number.

It is an amenable number.

212120110313 is a deficient number, since it is larger than the sum of its proper divisors (4690269847).

212120110313 is a wasteful number, since it uses less digits than its factorization.

212120110313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18250287.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212120110313 its reverse (313011021212), we get a palindrome (525131131525).

The spelling of 212120110313 in words is "two hundred twelve billion, one hundred twenty million, one hundred ten thousand, three hundred thirteen".