1200112111222 has 16 divisors (see below), whose sum is σ = 1825649459712. Its totient is φ = 591563465640.

The previous prime is 1200112111217. The next prime is 1200112111249. The reversal of 1200112111222 is 2221112110021.

It is a junction number, because it is equal to n+sod(n) for n = 1200112111196 and 1200112111205.

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, 1810753 + ... + 2383075.

It is an arithmetic number, because the mean of its divisors is an integer number (114103091232).

Almost surely, 2^{1200112111222} is an apocalyptic number.

1200112111222 is a deficient number, since it is larger than the sum of its proper divisors (625537348490).

1200112111222 is a wasteful number, since it uses less digits than its factorization.

1200112111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587163.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1200112111222 its reverse (2221112110021), we get a palindrome (3421224221243).

The spelling of 1200112111222 in words is "one trillion, two hundred billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty-two".