212322199982 has 16 divisors (see below), whose sum is σ = 321774958512.
Its totient is φ = 105065826240.
The previous prime is 212322199981. The next prime is 212322199987. The reversal of 212322199982 is 289991223212.
It is a happy number.
It is a super-3 number, since 3×2123221999823 (a number of 35 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 212322199982.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212322199981) 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, 267383 + ... + 704370.
It is an arithmetic number, because the mean of its divisors is an integer number (20110934907).
Almost surely, 2212322199982 is an apocalyptic number.
212322199982 is a deficient number, since it is larger than the sum of its proper divisors (109452758530).
212322199982 is a wasteful number, since it uses less digits than its factorization.
212322199982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 972883.
The product of its digits is 559872, while the sum is 50.
The spelling of 212322199982 in words is "two hundred twelve billion, three hundred twenty-two million, one hundred ninety-nine thousand, nine hundred eighty-two".