212021002220013 has 24 divisors (see below), whose sum is σ = 351248486337216. Its totient is φ = 120723702321600.

The previous prime is 212021002220009. The next prime is 212021002220033. The reversal of 212021002220013 is 310022200120212.

It is not a de Polignac number, because 212021002220013 - 2² = 212021002220009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021002220033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5988261183 + ... + 5988296588.

It is an arithmetic number, because the mean of its divisors is an integer number (14635353597384).

Almost surely, 2^{212021002220013} is an apocalyptic number.

It is an amenable number.

212021002220013 is a deficient number, since it is larger than the sum of its proper divisors (139227484117203).

212021002220013 is a wasteful number, since it uses less digits than its factorization.

212021002220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11976558065 (or 11976558062 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212021002220013 its reverse (310022200120212), we get a palindrome (522043202340225).

The spelling of 212021002220013 in words is "two hundred twelve trillion, twenty-one billion, two million, two hundred twenty thousand, thirteen".