1200112211222 has 32 divisors (see below), whose sum is σ = 1855711093824. Its totient is φ = 581728806400.

The previous prime is 1200112211219. The next prime is 1200112211251. The reversal of 1200112211222 is 2221122110021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200112211222.

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, 49025978 + ... + 49050450.

It is an arithmetic number, because the mean of its divisors is an integer number (57990971682).

Almost surely, 2^{1200112211222} is an apocalyptic number.

1200112211222 is a deficient number, since it is larger than the sum of its proper divisors (655598882602).

1200112211222 is a wasteful number, since it uses less digits than its factorization.

1200112211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28264.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1200112211222 its reverse (2221122110021), we get a palindrome (3421234321243).

The spelling of 1200112211222 in words is "one trillion, two hundred billion, one hundred twelve million, two hundred eleven thousand, two hundred twenty-two".