1200200121322 has 16 divisors (see below), whose sum is σ = 1895080037760. Its totient is φ = 568507682592.

The previous prime is 1200200121301. The next prime is 1200200121353. The reversal of 1200200121322 is 2231210020021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200200121296 and 1200200121305.

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, 3080478 + ... + 3448150.

It is an arithmetic number, because the mean of its divisors is an integer number (118442502360).

Almost surely, 2^{1200200121322} is an apocalyptic number.

1200200121322 is a deficient number, since it is larger than the sum of its proper divisors (694879916438).

1200200121322 is a wasteful number, since it uses less digits than its factorization.

1200200121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453597.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1200200121322 its reverse (2231210020021), we get a palindrome (3431410141343).

The spelling of 1200200121322 in words is "one trillion, two hundred billion, two hundred million, one hundred twenty-one thousand, three hundred twenty-two".