1200211220222 has 8 divisors (see below), whose sum is σ = 2057504948976. Its totient is φ = 514376237232.

The previous prime is 1200211220183. The next prime is 1200211220269. The reversal of 1200211220222 is 2220221120021.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1200211220222.

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, 42864686423 + ... + 42864686450.

It is an arithmetic number, because the mean of its divisors is an integer number (257188118622).

Almost surely, 2^{1200211220222} is an apocalyptic number.

1200211220222 is a deficient number, since it is larger than the sum of its proper divisors (857293728754).

1200211220222 is an equidigital number, since it uses as much as digits as its factorization.

1200211220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85729372882.

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

Adding to 1200211220222 its reverse (2220221120021), we get a palindrome (3420432340243).

The spelling of 1200211220222 in words is "one trillion, two hundred billion, two hundred eleven million, two hundred twenty thousand, two hundred twenty-two".