212123210221302 has 8 divisors (see below), whose sum is σ = 424246420442616. Its totient is φ = 70707736740432.

The previous prime is 212123210221259. The next prime is 212123210221331. The reversal of 212123210221302 is 203122012321212.

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

212123210221302 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17676934185103 + ... + 17676934185114.

It is an arithmetic number, because the mean of its divisors is an integer number (53030802555327).

Almost surely, 2^{212123210221302} is an apocalyptic number.

212123210221302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212123210221302 is a wasteful number, since it uses less digits than its factorization.

212123210221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35353868370222.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 212123210221302 its reverse (203122012321212), we get a palindrome (415245222542514).

The spelling of 212123210221302 in words is "two hundred twelve trillion, one hundred twenty-three billion, two hundred ten million, two hundred twenty-one thousand, three hundred two".