1210212112222 has 8 divisors (see below), whose sum is σ = 1815342350472. Its totient is φ = 605097995400.

The previous prime is 1210212112199. The next prime is 1210212112253. The reversal of 1210212112222 is 2222112120121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1210212112222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1210212112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3840904 + ... + 4144027.

It is an arithmetic number, because the mean of its divisors is an integer number (226917793809).

Almost surely, 2^{1210212112222} is an apocalyptic number.

1210212112222 is a deficient number, since it is larger than the sum of its proper divisors (605130238250).

1210212112222 is an equidigital number, since it uses as much as digits as its factorization.

1210212112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060714.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1210212112222 its reverse (2222112120121), we get a palindrome (3432324232343).

It can be divided in two parts, 12102 and 12112222, that added together give a square (12124324 = 3482²).

The spelling of 1210212112222 in words is "one trillion, two hundred ten billion, two hundred twelve million, one hundred twelve thousand, two hundred twenty-two".