1200201100122 has 8 divisors (see below), whose sum is σ = 2400402200256. Its totient is φ = 400067033372.

The previous prime is 1200201100117. The next prime is 1200201100159. The reversal of 1200201100122 is 2210011020021.

It is a sphenic number, since it is the product of 3 distinct primes.

1200201100122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1200201100098 and 1200201100107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100016758338 + ... + 100016758349.

It is an arithmetic number, because the mean of its divisors is an integer number (300050275032).

Almost surely, 2^{1200201100122} is an apocalyptic number.

1200201100122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1200201100122 is a wasteful number, since it uses less digits than its factorization.

1200201100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200033516692.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200201100122 its reverse (2210011020021), we get a palindrome (3410212120143).

The spelling of 1200201100122 in words is "one trillion, two hundred billion, two hundred one million, one hundred thousand, one hundred twenty-two".