212303121302 has 8 divisors (see below), whose sum is σ = 321607698912.
Its totient is φ = 105100555000.
The previous prime is 212303121299. The next prime is 212303121311. The reversal of 212303121302 is 203121303212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525502574 + ... + 525502977.
It is an arithmetic number, because the mean of its divisors is an integer number (40200962364).
Almost surely, 2212303121302 is an apocalyptic number.
212303121302 is a deficient number, since it is larger than the sum of its proper divisors (109304577610).
212303121302 is a wasteful number, since it uses less digits than its factorization.
212303121302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1051005654.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 212303121302 its reverse (203121303212), we get a palindrome (415424424514).
The spelling of 212303121302 in words is "two hundred twelve billion, three hundred three million, one hundred twenty-one thousand, three hundred two".