1200022322122 has 32 divisors (see below), whose sum is σ = 1941053393664. Its totient is φ = 553126699200.

The previous prime is 1200022322111. The next prime is 1200022322129. The reversal of 1200022322122 is 2212232200021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200022322122.

It is not an unprimeable number, because it can be changed into a prime (1200022322129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75129597 + ... + 75145567.

It is an arithmetic number, because the mean of its divisors is an integer number (60657918552).

Almost surely, 2^{1200022322122} is an apocalyptic number.

1200022322122 is a deficient number, since it is larger than the sum of its proper divisors (741031071542).

1200022322122 is a wasteful number, since it uses less digits than its factorization.

1200022322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19614.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1200022322122 its reverse (2212232200021), we get a palindrome (3412254522143).

The spelling of 1200022322122 in words is "one trillion, two hundred billion, twenty-two million, three hundred twenty-two thousand, one hundred twenty-two".