1200023221022 has 16 divisors (see below), whose sum is σ = 1801812938640. Its totient is φ = 599419009728.

The previous prime is 1200023221003. The next prime is 1200023221031. The reversal of 1200023221022 is 2201223200021.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 35519354 + ... + 35553122.

It is an arithmetic number, because the mean of its divisors is an integer number (112613308665).

Almost surely, 2^{1200023221022} is an apocalyptic number.

1200023221022 is a deficient number, since it is larger than the sum of its proper divisors (601789717618).

1200023221022 is a wasteful number, since it uses less digits than its factorization.

1200023221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50795.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1200023221022 its reverse (2201223200021), we get a palindrome (3401246421043).

The spelling of 1200023221022 in words is "one trillion, two hundred billion, twenty-three million, two hundred twenty-one thousand, twenty-two".