212002111210 has 16 divisors (see below), whose sum is σ = 383187222792. Its totient is φ = 84448972800.

The previous prime is 212002111201. The next prime is 212002111213. The reversal of 212002111210 is 12111200212.

It can be written as a sum of positive squares in 4 ways, for example, as 206889432201 + 5112679009 = 454851^2 + 71503^2 .

It is not an unprimeable number, because it can be changed into a prime (212002111213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43981431 + ... + 43986250.

Almost surely, 2^212002111210 is an apocalyptic number.

212002111210 is a deficient number, since it is larger than the sum of its proper divisors (171185111582).

212002111210 is a wasteful number, since it uses less digits than its factorization.

212002111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87967929.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212002111210 its reverse (12111200212), we get a palindrome (224113311422).

The spelling of 212002111210 in words is "two hundred twelve billion, two million, one hundred eleven thousand, two hundred ten".