212222212010 has 16 divisors (see below), whose sum is σ = 404470569096. Its totient is φ = 79895420928.

The previous prime is 212222212003. The next prime is 212222212073. The reversal of 212222212010 is 10212222212.

It is a happy number.

212222212010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 126977482921 + 85244729089 = 356339^2 + 291967^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 212222212010.

It is an unprimeable number.

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, 624182807 + ... + 624183146.

Almost surely, 2^212222212010 is an apocalyptic number.

212222212010 is a deficient number, since it is larger than the sum of its proper divisors (192248357086).

212222212010 is a wasteful number, since it uses less digits than its factorization.

212222212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248365977.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212222212010 its reverse (10212222212), we get a palindrome (222434434222).

It can be divided in two parts, 212 and 222212010, that added together give a palindrome (222212222).

The spelling of 212222212010 in words is "two hundred twelve billion, two hundred twenty-two million, two hundred twelve thousand, ten".