212221233020982 has 64 divisors (see below), whose sum is σ = 430487975393280. Its totient is φ = 69736547376384.

The previous prime is 212221233020903. The next prime is 212221233020983. The reversal of 212221233020982 is 289020332122212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212221233020982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221233020983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3753907188 + ... + 3753963720.

It is an arithmetic number, because the mean of its divisors is an integer number (6726374615520).

Almost surely, 2^{212221233020982} is an apocalyptic number.

212221233020982 is an abundant number, since it is smaller than the sum of its proper divisors (218266742372298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212221233020982 is a wasteful number, since it uses less digits than its factorization.

212221233020982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72837.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 212221233020982 in words is "two hundred twelve trillion, two hundred twenty-one billion, two hundred thirty-three million, twenty thousand, nine hundred eighty-two".