1200222201122 has 16 divisors (see below), whose sum is σ = 2057558034240. Its totient is φ = 514372378128.

The previous prime is 1200222201109. The next prime is 1200222201193. The reversal of 1200222201122 is 2211022220021.

It is a happy number.

It is a super-2 number, since 2×1200222201122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200222201122.

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 in 7 ways as a sum of consecutive naturals, for example, 197108 + ... + 1561824.

It is an arithmetic number, because the mean of its divisors is an integer number (128597377140).

Almost surely, 2^{1200222201122} is an apocalyptic number.

1200222201122 is a deficient number, since it is larger than the sum of its proper divisors (857335833118).

1200222201122 is a wasteful number, since it uses less digits than its factorization.

1200222201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427545.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1200222201122 its reverse (2211022220021), we get a palindrome (3411244421143).

The spelling of 1200222201122 in words is "one trillion, two hundred billion, two hundred twenty-two million, two hundred one thousand, one hundred twenty-two".