1200201122 has 32 divisors (see below), whose sum is σ = 1955124864. Its totient is φ = 550368000.

The previous prime is 1200201113. The next prime is 1200201133. The reversal of 1200201122 is 2211020021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921872 + ... + 923172.

It is an arithmetic number, because the mean of its divisors is an integer number (61097652).

Almost surely, 2^1200201122 is an apocalyptic number.

1200201122 is a deficient number, since it is larger than the sum of its proper divisors (754923742).

1200201122 is a wasteful number, since it uses less digits than its factorization.

1200201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1200201122 is about 34643.9189757741. The cubic root of 1200201122 is about 1062.7179336486.

Adding to 1200201122 its reverse (2211020021), we get a palindrome (3411221143).

The spelling of 1200201122 in words is "one billion, two hundred million, two hundred one thousand, one hundred twenty-two".