1210000212222 has 16 divisors (see below), whose sum is σ = 2437410501120. Its totient is φ = 400431724632.

The previous prime is 1210000212193. The next prime is 1210000212247. The reversal of 1210000212222 is 2222120000121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725418958 + ... + 725420625.

It is an arithmetic number, because the mean of its divisors is an integer number (152338156320).

Almost surely, 2^{1210000212222} is an apocalyptic number.

1210000212222 is an abundant number, since it is smaller than the sum of its proper divisors (1227410288898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210000212222 is a wasteful number, since it uses less digits than its factorization.

1210000212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450839727.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1210000212222 its reverse (2222120000121), we get a palindrome (3432120212343).

The spelling of 1210000212222 in words is "one trillion, two hundred ten billion, two hundred twelve thousand, two hundred twenty-two".