212021020013 has 8 divisors (see below), whose sum is σ = 231305072256. Its totient is φ = 192738536800.

The previous prime is 212021019997. The next prime is 212021020061. The reversal of 212021020013 is 310020120212.

It is a happy number.

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 212021020013 - 2⁴ = 212021019997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212021020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021020093) 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, 100256 + ... + 658857.

It is an arithmetic number, because the mean of its divisors is an integer number (28913134032).

Almost surely, 2^212021020013 is an apocalyptic number.

It is an amenable number.

212021020013 is a deficient number, since it is larger than the sum of its proper divisors (19284052243).

212021020013 is a wasteful number, since it uses less digits than its factorization.

212021020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784515.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212021020013 its reverse (310020120212), we get a palindrome (522041140225).

The spelling of 212021020013 in words is "two hundred twelve billion, twenty-one million, twenty thousand, thirteen".