212323221002 has 8 divisors (see below), whose sum is σ = 322847637636. Its totient is φ = 104707341792.

The previous prime is 212323220983. The next prime is 212323221007. The reversal of 212323221002 is 200122323212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 190810838761 + 21512382241 = 436819^2 + 146671^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212323221007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727134173 + ... + 727134464.

Almost surely, 2^212323221002 is an apocalyptic number.

212323221002 is a deficient number, since it is larger than the sum of its proper divisors (110524416634).

212323221002 is a wasteful number, since it uses less digits than its factorization.

212323221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454268712.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212323221002 its reverse (200122323212), we get a palindrome (412445544214).

The spelling of 212323221002 in words is "two hundred twelve billion, three hundred twenty-three million, two hundred twenty-one thousand, two".