1200322121122 has 4 divisors (see below), whose sum is σ = 1800483181686. Its totient is φ = 600161060560.

The previous prime is 1200322121099. The next prime is 1200322121191. The reversal of 1200322121122 is 2211212230021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1165274911441 + 35047209681 = 1079479^2 + 187209^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1200322121122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300080530279 + ... + 300080530282.

Almost surely, 2^{1200322121122} is an apocalyptic number.

1200322121122 is a deficient number, since it is larger than the sum of its proper divisors (600161060564).

1200322121122 is an equidigital number, since it uses as much as digits as its factorization.

1200322121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600161060563.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1200322121122 its reverse (2211212230021), we get a palindrome (3411534351143).

The spelling of 1200322121122 in words is "one trillion, two hundred billion, three hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".