1200022001122 has 16 divisors (see below), whose sum is σ = 2146623207552. Its totient is φ = 491934484800.

The previous prime is 1200022001089. The next prime is 1200022001131. The reversal of 1200022001122 is 2211002200021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1863387879 + ... + 1863388522.

It is an arithmetic number, because the mean of its divisors is an integer number (134163950472).

Almost surely, 2^{1200022001122} is an apocalyptic number.

1200022001122 is a deficient number, since it is larger than the sum of its proper divisors (946601206430).

1200022001122 is a wasteful number, since it uses less digits than its factorization.

1200022001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726776433.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200022001122 its reverse (2211002200021), we get a palindrome (3411024201143).

The spelling of 1200022001122 in words is "one trillion, two hundred billion, twenty-two million, one thousand, one hundred twenty-two".