1200120110222 has 16 divisors (see below), whose sum is σ = 1963967040000. Its totient is φ = 545471882040.

The previous prime is 1200120110219. The next prime is 1200120110227. The reversal of 1200120110222 is 2220110210021.

It is a junction number, because it is equal to n+sod(n) for n = 1200120110197 and 1200120110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200120110227) by changing a digit.

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, 1532222 + ... + 2178977.

It is an arithmetic number, because the mean of its divisors is an integer number (122747940000).

Almost surely, 2^{1200120110222} is an apocalyptic number.

1200120110222 is a deficient number, since it is larger than the sum of its proper divisors (763846929778).

1200120110222 is a wasteful number, since it uses less digits than its factorization.

1200120110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725911.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200120110222 its reverse (2220110210021), we get a palindrome (3420230320243).

The spelling of 1200120110222 in words is "one trillion, two hundred billion, one hundred twenty million, one hundred ten thousand, two hundred twenty-two".