212021001313 has 8 divisors (see below), whose sum is σ = 231770583360. Its totient is φ = 192350576880.

The previous prime is 212021001299. The next prime is 212021001347. The reversal of 212021001313 is 313100120212.

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

It is a de Polignac number, because none of the positive numbers 2^k-212021001313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021001373) 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, 19783798 + ... + 19794511.

It is an arithmetic number, because the mean of its divisors is an integer number (28971322920).

Almost surely, 2^212021001313 is an apocalyptic number.

It is an amenable number.

212021001313 is a deficient number, since it is larger than the sum of its proper divisors (19749582047).

212021001313 is a wasteful number, since it uses less digits than its factorization.

212021001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39578807.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212021001313 its reverse (313100120212), we get a palindrome (525121121525).

The spelling of 212021001313 in words is "two hundred twelve billion, twenty-one million, one thousand, three hundred thirteen".