1200222110122 has 24 divisors (see below), whose sum is σ = 2161822055040. Its totient is φ = 497787970680.

The previous prime is 1200222110107. The next prime is 1200222110147. The reversal of 1200222110122 is 2210112220021.

It is a happy number.

It is a super-2 number, since 2×1200222110122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200222110096 and 1200222110105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197531872 + ... + 197537947.

It is an arithmetic number, because the mean of its divisors is an integer number (90075918960).

Almost surely, 2^{1200222110122} is an apocalyptic number.

1200222110122 is a deficient number, since it is larger than the sum of its proper divisors (961599944918).

1200222110122 is a wasteful number, since it uses less digits than its factorization.

1200222110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395069866 (or 395069859 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1200222110122 its reverse (2210112220021), we get a palindrome (3410334330143).

The spelling of 1200222110122 in words is "one trillion, two hundred billion, two hundred twenty-two million, one hundred ten thousand, one hundred twenty-two".