1200201202122 has 64 divisors (see below), whose sum is σ = 2595302446464. Its totient is φ = 367829763840.

The previous prime is 1200201202111. The next prime is 1200201202147. The reversal of 1200201202122 is 2212021020021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31556097 + ... + 31594107.

It is an arithmetic number, because the mean of its divisors is an integer number (40551600726).

Almost surely, 2^{1200201202122} is an apocalyptic number.

1200201202122 is an abundant number, since it is smaller than the sum of its proper divisors (1395101244342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200201202122 is a wasteful number, since it uses less digits than its factorization.

1200201202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39623.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1200201202122 its reverse (2212021020021), we get a palindrome (3412222222143).

The spelling of 1200201202122 in words is "one trillion, two hundred billion, two hundred one million, two hundred two thousand, one hundred twenty-two".