1200212102222 has 32 divisors (see below), whose sum is σ = 2136778735872. Its totient is φ = 494915629824.

The previous prime is 1200212102191. The next prime is 1200212102233. The reversal of 1200212102222 is 2222012120021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200212102222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14838083 + ... + 14918750.

It is an arithmetic number, because the mean of its divisors is an integer number (66774335496).

Almost surely, 2^{1200212102222} is an apocalyptic number.

1200212102222 is a deficient number, since it is larger than the sum of its proper divisors (936566633650).

1200212102222 is a wasteful number, since it uses less digits than its factorization.

1200212102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29756952.

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

Adding to 1200212102222 its reverse (2222012120021), we get a palindrome (3422224222243).

The spelling of 1200212102222 in words is "one trillion, two hundred billion, two hundred twelve million, one hundred two thousand, two hundred twenty-two".