212001320210 has 16 divisors (see below), whose sum is σ = 383053340736. Its totient is φ = 84478091568.

The previous prime is 212001320173. The next prime is 212001320213. The reversal of 212001320210 is 12023100212.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212001320213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40301804 + ... + 40307063.

It is an arithmetic number, because the mean of its divisors is an integer number (23940833796).

Almost surely, 2^212001320210 is an apocalyptic number.

212001320210 is a deficient number, since it is larger than the sum of its proper divisors (171052020526).

212001320210 is a wasteful number, since it uses less digits than its factorization.

212001320210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80609137.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212001320210 its reverse (12023100212), we get a palindrome (224024420422).

The spelling of 212001320210 in words is "two hundred twelve billion, one million, three hundred twenty thousand, two hundred ten".