212213333210 has 16 divisors (see below), whose sum is σ = 382812606792. Its totient is φ = 84701198400.

The previous prime is 212213333173. The next prime is 212213333251. The reversal of 212213333210 is 12333312212.

It can be written as a sum of positive squares in 4 ways, for example, as 170968191289 + 41245141921 = 413483^2 + 203089^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23012021 + ... + 23021240.

Almost surely, 2^212213333210 is an apocalyptic number.

212213333210 is a deficient number, since it is larger than the sum of its proper divisors (170599273582).

212213333210 is a wasteful number, since it uses less digits than its factorization.

212213333210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46033729.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212213333210 its reverse (12333312212), we get a palindrome (224546645422).

The spelling of 212213333210 in words is "two hundred twelve billion, two hundred thirteen million, three hundred thirty-three thousand, two hundred ten".