1200212200222 has 16 divisors (see below), whose sum is σ = 2057740462080. Its totient is φ = 514318198968.

The previous prime is 1200212200181. The next prime is 1200212200267. The reversal of 1200212200222 is 2220022120021.

It is a junction number, because it is equal to n+sod(n) for n = 1200212200196 and 1200212200205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4743822 + ... + 4990417.

It is an arithmetic number, because the mean of its divisors is an integer number (128608778880).

Almost surely, 2^{1200212200222} is an apocalyptic number.

1200212200222 is a deficient number, since it is larger than the sum of its proper divisors (857528261858).

1200212200222 is an equidigital number, since it uses as much as digits as its factorization.

1200212200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743055.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1200212200222 its reverse (2220022120021), we get a palindrome (3420234320243).

The spelling of 1200212200222 in words is "one trillion, two hundred billion, two hundred twelve million, two hundred thousand, two hundred twenty-two".