212021020313 has 8 divisors (see below), whose sum is σ = 221257872000. Its totient is φ = 202785714208.

The previous prime is 212021020303. The next prime is 212021020319. The reversal of 212021020313 is 313020120212.

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 212021020313 - 2²⁴ = 212004243097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212021020291 and 212021020300.

It is not an unprimeable number, because it can be changed into a prime (212021020319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101588 + ... + 659061.

It is an arithmetic number, because the mean of its divisors is an integer number (27657234000).

Almost surely, 2^212021020313 is an apocalyptic number.

212021020313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212021020313 is a deficient number, since it is larger than the sum of its proper divisors (9236851687).

212021020313 is a wasteful number, since it uses less digits than its factorization.

212021020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772791.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212021020313 its reverse (313020120212), we get a palindrome (525041140525).

The spelling of 212021020313 in words is "two hundred twelve billion, twenty-one million, twenty thousand, three hundred thirteen".